tag:blogger.com,1999:blog-57076861799388355102024-03-13T05:06:59.661-07:00Night SightsWonder leads to questions. So ask.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.comBlogger36125tag:blogger.com,1999:blog-5707686179938835510.post-10293760951078166882013-10-08T11:45:00.000-07:002013-10-08T11:45:19.449-07:00Surprise!!!The thing I love about this hobby are the occasional surprises the sky seems to deliver up.<br />
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It's a mistake to think that the sky is just static. Far from it! In fact, it's rare that I'm not startled or surprised by something. Usually it's nothing too shocking but all are pleasant surprises. Take the other night when I was out with my 8" schmidt-cassegrain. I was looking over the asteroid Juno and about to move on to something else when all of a sudden, I saw a satellite entering the field of view.<br />
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This actually isn't that irregular occurrence. I've had as many as two or three pass through the field of my finder and even telescope before. As I sat there, adjusting the telescope to follow it, I realized what I was looking at...a satellite in geo-syncronous orbit! Why not let the planet do the work for me!? So I turned off the scope's drive and watched the satellite stay put as the stars wheeled past! It was an amazing thing to be so connected to a spot in space 26,000 miles above my head!<br />
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Sometimes that technology can do some amazingly unexpected things. Now, I'm not one for UFOs and visitors from "out there." But one cold January night observing with friends on a cold northern road outside of Killarney, we saw...something! Now, we were all of different opinions about what it was but it looked like a small gaseous cloud in the sky that kept to one spot but slowly spread out. My personal opinion...a very rare sight of a satellite outgassing its fuel. One friend opted for the "small spot of aurora" explanation. NONE of us were thinking aliens. Because we're amateur astronomers.<br />
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Meteors are a frequent apparition in night sky. Little flecks of dust that hit the atmosphere faster than a bullet. Sometimes larger chunks hit the atmosphere and can put on amazing displays. Like the time a friend and I were watching a lunar eclipse. Suddenly, my friend screams "WEST!!" and I have just enough time to turn around and see a meteor streaking across the sky! Or the time I was sitting in my backyard looking through my telescope and, out of the corner of my eye, I see the area light up with light and all the shadows are moving. I have just enough time to see the meteor finish its trek across the sky.<br />
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Don’t forget those surprise auroras that seem to come out of nowhere. Very pretty at first, then you realize its washing out a section of sky you want to view for faint fuzzies. And that’s where surprise turns to personal conflict! "You're very pretty...now GO AWAY!!"<br />
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Of course, there are more terrestrial surprises brought on by wildlife. Sudden visitations by four legged creatures including ones with black and white stripes that encourage you become the stillest you have ever been! A veritable statue!!<br />
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And surprise discoveries and sights you didn't expect to see like new deep sky objects or features on an otherwise familiar object you weren't expecting to see! The Lunar X is one of my favourites that sometimes show up when I wasn't expecting to see it.<br />
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Of course, one of the themes throughout these stories is the presence of friends. While amateur astronomy is sometimes a solitude activity, it's nice to share it with like minded people who all have an appreciation for the night sky.<br />
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So get out there! You might be surprised by what you see!<br />
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Clear skies!<br />
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<br />Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-25146782668612004372013-09-06T19:07:00.001-07:002013-09-06T19:07:28.556-07:00Day sights too!I like a challenge!<div>
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I mean, anyone can go out on a clear night, look up and see stars and planets! It's dead easy, really - unless, of course, you're stuck under city lights. If that's the case...not so much! But even being in the suburbs opens more opportunities for night time star gazing.</div>
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But...what about the day? People may say "Yeah, the sun! And maybe the moon! But that's it! Right!?" Oh, ye of little imagination!</div>
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZBzBJ1DocrYTLk7s54pV3ga3HExVYZ48UBAfjsAZqo7BoK2qCru3BfilWXs41r_1BIWn0Psrq87tdg38-sfWRABdHP4McHPNKHVbz3wCzXqKu0UHQhSsqxtJd1qv8H_WiLC1GxsR0ml0/s1600/DSC00269.JPG" imageanchor="1" style="clear: left; margin-bottom: 1em; margin-left: auto; margin-right: auto;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZBzBJ1DocrYTLk7s54pV3ga3HExVYZ48UBAfjsAZqo7BoK2qCru3BfilWXs41r_1BIWn0Psrq87tdg38-sfWRABdHP4McHPNKHVbz3wCzXqKu0UHQhSsqxtJd1qv8H_WiLC1GxsR0ml0/s320/DSC00269.JPG" width="240" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Sun's up? Let's see what's there!</td></tr>
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<span style="font-size: x-small;"> </span>I remember the first time I saw Jupiter in the daytime! It was at Star Fest. The waning crescent moon happened to be passing close to Jupiter in the morning sky which created an opportunity to use it as a landmark towards spotting Jupiter. So, with my trusty 80mm Celestron refractor, I took aim at the moon and moved the scope southwards a bit and...there it was! No FREAKIN' WAY!! Not that it was the BEST view of Jupiter I'd ever had. But it was there.</div>
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Then came the time when I saw Venus for the first time. I was in the backyard with the sun a couple of hourse away from setting. I looked...and looked...and looked some more! No way I was going to...wait...THERE it is! No FREAKIN' WAY!!! Time to go get the telescope!</div>
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Over the years, I've uncovered multiple opportunities to spot Venus and Jupiter during the day and all to varying degrees of success. Usually the moon or Venus - which is intrinsically bright anyway - act as guideposts to Jupiter. </div>
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However, while I've occasionally bemoaned computerized "goto" mounts for telescope as "cheating," I've used them myself and they've given me some unique opportunities. For instance, seeing Saturn before the sun went down prior to the start of an observing session. Yes! I did! I even have witnesses who can verify!.</div>
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Then last summer, I had another goto I used to see the constellation of Auriga's brightest star (and sixth brightest in the entire sky) Capella at about 9 a.m. "Now we're getting somewhere!"</div>
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So last week, I decided to go even further! It started the night before setting up the scope in the evening to do some general observing using a goto mount! It performed decently well and most of the objects came in pretty well centered. Then the first inklings of a thought began to percolate! Why not repeat your Capella achievement tomorrow morning!? </div>
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With that in mind, I set the mount to 'sleep' mode and went to bed. The next morning, I got up early and set about it...and couldn't find Capella! Seriously!? With some assorted cursing, I decided not to throw in the towel and try for something else. Jupiter! I hit the appropriate buttons...and there it was! A little off to the side, but still in the scope! Okay! That's more like it! Well, if that would work, how about...Sirius!!?? Yes! Why not. More button pushing and...no FREAKIN' WAY!!! There it is! </div>
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Keep in mind...the sun is up by a couple of hours now! And I'm actually stargazing in the daylight! </div>
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So I put the mount back into 'sleep' mode and waited for later when Venus would clear the trees. Later came and...there it is! But, what about Mercury? Assorted buttons pushed and...there Mercury was! </div>
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Now, I'll acknowledge at this point that all of this was done with an electronically assisted mount! However, some correction did have to be done by me! And the conditions were superbly dry in the sky as it was a brilliant shade of deep blue which seems to be a major requirement for this kind of activity! And some well-placed trees or a house to block the worst of the sun. So it was a wonderful convergence of electronics, some skill and weather conditions. But so worth the effort!</div>
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Hmmm...I wonder what the weather will be like tomorrow?</div>
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Clear skies!</div>
Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-31190113983553390692013-09-02T16:49:00.000-07:002013-09-02T16:55:34.621-07:00The Facebook NovaI heard about it in mid August pretty much the way I learn about a lot of these things now...<a href="https://www.facebook.com/">Facebook</a>!<br />
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And what a lot was being said about it! A nova in <a href="http://freestarcharts.com/images/Articles/Month/Aug2013/Delphinus_Nova/Delphinus_Nova_Finder_Chart.pdf">Delphinus</a>! But not just a dim, far away star that would challenge the limits of a backyard telescope! Nope, this was turning into one of the brightest novae in recent record. Certainly in my lifetime.<br />
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Two words that sparks all kinds of thrills for an amateur astronomer: naked eye!<br />
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If you're new to astronomy or not familiar with the terms, basically a nova is a star going "boom!" Well to be more precise, it's a runaway thermonuclear reaction from a small star stealing matter from a larger companion which then goes boom. But I'm not here to pick nits!<br />
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I found out the location, again off the many Facebook posts that linked information from the <a href="http://www.aavso.org/">American Association of Variable Star Observers (AAVSO)</a> which gave coordinates in the sky. Plotting it out showed that it was in a remarkably straightforward location. Although the nova was officially within the boundaries of the constellation of Delphinus, the dolphin, it was most easily located using Sagitta, the arrow. It was pointing right at it!<br />
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And the amazing thing was how bright it was proving to be...around magnitude 5.5 or so. Just above the limit for naked eye visibility! Armed with my binoculars and a sky map, I set out to find it, anticipating it to still be a challenge. We're talking the night sky, after all! There's a lot of stars up there. But nope! After a few careful minutes comparing sky map to actual sky, there it was! After a couple of days, I could very easily make it out with my naked eye, even with the interference of a bright and nearby moon!<br />
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I've been watching it over the last few weeks. The last few days have been...well...cloudy! But I continue to eagerly await clear skies again to watch it some more. It's dimming now and, while to me it has always had a dim yellowish hue, the last time I was out it was definitely yellowy-orange! Such is the morphology of novae.<br />
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And this is the true appeal of it! That's because, far from being static, the sky is full of change! New stars appear and disappear sometimes from our own galaxy and even in distant galaxies! Far from sedate, the sky shows incredible violence but also, from that violence, stunning beauty! It's a stark and awe-inspiring contrast!<br />
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So go out and find it for yourself if you haven't already seen it!<br />
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Now, if only we could get <a href="http://en.wikipedia.org/wiki/Betelgeuse">Betelgeuse</a> in Orion to go SUPERnova!<br />
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Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-3410958270297163362013-02-17T20:30:00.000-08:002013-02-17T20:30:00.019-08:00So how's that space program?Wow! Talk about a cosmic wake-up call!?<br />
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On Friday (Feb. 15), our little blue planet got two visitors - the known half football field-sized asteroid 2012 DA 14 and another unknown 15-meter piece of rock that exploded in the air over a city in Russia. And both these incidents put a giant exclamation point on the fact that we truly do live in what has been described as a cosmic shooting gallery!<br />
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It was the kind of coincidence you don't really expect to ever see in your own life time. But just as we were waiting on one asteroid to pass harmlessly by, another smaller one came through the atmosphere and burst over the Russian city of Chelyabinsk, injuring nearly a thousand people and breaking windows with a blast stronger than the Hiroshima bomb.<br />
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In short...we got lucky.<br />
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You see, that rock could've been a lot bigger! And even with several programs currently underway to scan the skies for incoming rocks, there are likely many that are escaping detection or aren't going to be detected until they are almost right on top of us. And then there's the comets! They can be just as tricky and can carry as much if not more wallop because they can sometimes appear to come out of nowhere and be considerably larger than asteroids.<br />
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It's a warning of sorts from the cosmos. "So...how's that space program coming along?"<br />
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Hopefully, it's got people thinking. And tops in their thoughts should be how do we take make sure fewer of these things sneak up on us?<br />
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It's an opportunity for even more amateurs to get "in the game" and for more professional/amateur collaborations. Here's hoping they get started soon.<br />
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Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-56324081685181260832012-08-16T07:39:00.003-07:002012-08-17T08:54:22.114-07:00Getting some perspectiveThat's really what this hobby is all about. <div><br /></div><div>When it comes to astronomy, the more you learn, the more you appreciate just where we sit in the grand scheme of things. It's both shockingly humbling and exhilaratingly uplifting at the same time.</div><div><br /></div><div>Everyone is familiar with <a href="http://en.wikipedia.org/wiki/File:The_Earth_seen_from_Apollo_17.jpg">this</a> picture, Earth as seen by Apollo 17 astronauts as they headed for the moon. Inarguably, it was one of the most important photos ever taken. It is credited with inspiring an entire generation to rethink their relationship with the planet and its finite resources - the environmental movement was born.</div><div><br /></div><div>However, <a href="http://en.wikipedia.org/wiki/File:PIA05547-Spirit_Rover-Earth_seen_from_Mars.png">this image</a> and <a href="http://en.wikipedia.org/wiki/File:PaleBlueDot.jpg">this image</a> are both important too. The first is the product of our recent visits to Mars. In 2004, on its 63rd Martian day, the rover Spirit caught this image in the early morning sky over Gusev crater. A close-up shows elongation which hints at the moon being imaged with Earth. It would be a stunning view in a Mars-bound telescope!</div><div><br /></div><div>The second image is the famous "Pale Blue Dot" taken by Voyager 1 in 1991 as it departed the solar system. The image was requested of NASA by astronomer and science popularizer Carl Sagan who lobbied for a 'backward look' at the solar system. Except for Mercury, which was too close to the sun, and Pluto, which is too faint, all of the remaining planets were imaged.</div><div><br /></div><div>As an amateur astronomer, I'm frequently confronted by people's rather limited understanding of the universe and our place in it. And I encourage them to view these pics.</div><div><br /></div><div>It's not a condemnation. It's simply a fact that, as we go about our daily lives, we have little opportunity for the "big" thoughts. Except for a lucky few of us, our lives are confined to short distances to work or school or after-school activities with the kids. Our city skies are awash with light, hiding the stars, and we have countless distractions from the television that run from the sublime to the ridiculous to the disturbing.</div><div><br /></div><div>Occasionally, we touch on something more. We seek higher ideals and sometimes feel we've found them in religious observances or charitable works. But sometimes, those too turn inward. In religion, we can be restricted by narrow interpretations of sacred scriptures that preclude notions of great time or close association with the natural world - opting instead for the conceit of 'special status.' Charitable works, while noble, require focus on the task at hand, even as we revel in the opportunity to improve the lives of our fellow human beings.</div><div><br /></div><div>For me, amateur astronomy, while sometimes simply an aesthetically pleasing activity, also allows for "cosmic thoughts." Contemplating the depths and breadths of space and time, one is confronted with the fleeting span we are born, live our lives and then pass away, comparatively brief as snowflakes settling to the sun-warmed ground <span style="font-size: 100%; ">in a springtime flurry. </span></div><div><span style="font-size: 100%; "><br /></span></div><div><span style="font-size: 100%; ">We are small. And yet, we are also unique. Each of us apparently a single event in the long, 14.7 billion year history of the cosmos. This particular arrangement of particles coming together in this particular order, perhaps creating great works of art, literature or discovering scientific or mathematical insights. Finding things thing further the evolution and development of a particular species of ape that has evolved on this small blue marble orbiting this small star in the corner of this particular galaxy which is one of billions! </span></div><div><span style="font-size: 100%; "><br /></span></div><div><span style="font-size: 100%; ">And, if that doesn't grab you entirely, listen <a href="http://www.youtube.com/watch?v=nl5dlbCh8lY">here</a> to Carl Sagan himself put it all into perspective!</span></div><div><span style="font-size: 100%; "><br /></span></div><div><span style="font-size: 100%; ">Kinda gets ya thinking, don't it!? </span></div><div><span style="font-size: 100%; "><br /></span></div><div><span style="font-size: 100%; ">Clear skies!</span></div>Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-41421214169604894552011-07-13T16:10:00.002-07:002011-07-13T17:04:42.702-07:00Happy birthday Neptune<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibXCr6GhMYu1QM-n-WFlkBjO5WWnbuPJsWAnmiSVaHaahneZzd6RkyUMqXGyL_OD8AcZNqfZRFXhlTxShlC3eUdtw2HI7L6EgjfPC4YXWF83WrNuK8VChz7MEmIUNBGCYdUkh7pj7Er8I/s1600/Neptune.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;width: 200px; height: 197px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEibXCr6GhMYu1QM-n-WFlkBjO5WWnbuPJsWAnmiSVaHaahneZzd6RkyUMqXGyL_OD8AcZNqfZRFXhlTxShlC3eUdtw2HI7L6EgjfPC4YXWF83WrNuK8VChz7MEmIUNBGCYdUkh7pj7Er8I/s200/Neptune.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5628991906555475106" /></a><br />That's the headline you're reading a lot but, really, that's not entirely accurate. It's more of "New Year" celebration.<br /><br />Specifically, July 12 marked the completion of one <a href="http://en.wikipedia.org/wiki/Neptune">Neptunian</a> revolution around the sun since its discovery in 1846. <a href="http://www.youtube.com/watch?v=NjrJ1Y3gzr8&sns=fb">Here is a great video</a> that shows how much history has occurred in the 165 Earth years since its discovery!<br /><br />Of course, part of that history includes an actual robotic visit to the planet by Voyager 2 in August of 1989. We saw an amazingly cold planet, circled by a moon that traveled in a backward direction. The smallest amount of heat influences some of the most extreme weather in the solar system!<br /><br />Neptune is muddling around in the constellations of Capricornus and Aquarius. And, when it gets high enough, in a telescope it will be..well..underwhelming. But, the chance to see a planet a couple of billion kilometers away is worth it. Awesome!<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com3tag:blogger.com,1999:blog-5707686179938835510.post-61000650051251193762011-06-07T14:07:00.000-07:002011-07-10T11:09:19.590-07:00Dawn approachingDawn is fast approaching! <br /><br />That's the NASA <a href="http://dawn.jpl.nasa.gov/">Dawn probe to the asteroids Vesta and Ceres </a>with it's first stop at the brightest asteroid Vesta. At present, it's about 100,000 kms from <a href="http://en.wikipedia.org/wiki/4_Vesta">Vesta</a> and closing fast for it's July 16 rendezvous! At last, I and the rest of humanity are going to get an up-close-and-personal view of one of the asteroid belt's biggest denizens, rather than just a dot of light in the eyepiece of a telescope!<br /><br />Not that we don't know what asteroids look like. In fact, about a dozen asteroids have either had close-up encounters with Earth-based technology or, at the very least, been viewed from a distance by them. Near Earth objects Eros and Itokawa have even been orbited by them. But Vesta is a unique one. It's a remnant of a remarkable time in the solar system's history when the planetary gallery resembled something more like a raucous rave party than the stately gathering we have today.<br /><br />Imagine back about 4.3 billion years ago. The solar nebula had collapsed and bodies from the size of peas to objects as big and bigger than the planets we have today were still settling into their orbits. Indeed, many astronomers suspect we had many times the planets we have now, all jostling for position. The worlds of our current solar system were simply the winners of a titanic battle of bulk, gravity, time and even dumb luck!<br /><br />Some of that "raw material" remains in the form of asteroids and comets. So getting a close look at these tiny bits of cosmic flotsam could give us profound insights into the early history and evolution of our solar system. <br /><br />Vesta and <a href="http://en.wikipedia.org/wiki/Ceres_asteroid">Ceres</a> represent the largest members of this population of bits and pieces. They're big enough that mass and gravity have acted to turn them into roughly spherical shapes. However, they're still too small to be considered planets, giving astronomers a challenge to understand them in the grand scheme of the solar system.<br /><br />As Dawn has approached Vesta, the image of this 500 kilometer-sized body has swelled in size and detail. And the amount of detail they will gather will be even further increased by the fact that, over the next year, Dawn will orbit Vesta before departing for an encounter with even larger "protoplanet" Ceres.<br /><br />For myself, Vesta holds a special place in my heart as the first asteroid I've ever caught sight of. They're difficult objects to spot and track and finding one gives one an appreciation for the challenge of discovery they represent. They are tiny dots of light that move slowly against the background stars. Hard to believe that, at one time, they were considered "vermin" of the solar system, introducing unwelcome streaks to long-duration photos of objects.<br /><br />Now, they represent one of the greatest mysteries of modern science - how the solar system came to be.<br /><br />So tune in, folks. With the approach of Dawn comes a whole new day of astronomical discovery!<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-57895384199059893072011-03-31T13:45:00.000-07:002011-04-01T11:27:31.331-07:00Golden rings in the nightJupiter's gone behind the sun, Venus is sinking from prominence in the morning sky. Oh, what could there possibly be worth to look at in the spring evening skies?<br /><br />Hmmm...I don't know. How about <a href="http://astrosurf.com/planetessaf/saturne/images/planches/s20110317-06h06UT-DPa.jpg">this!</a><br /><br />Well, not all of us can image planets like a Donald Parker or Christopher Go but so what!? Even a modest telescope will show you Saturn's rings and a larger telescope will bring out all kinds of details that are just, well, stunning! Throw in its own retinue of visible moons - Tethys, Dione, Titan, Rhea, Iapetus and even Enceladus from time to time! - and you've got an evening not easily forgotten! <br /><br />I could tell you all kinds of <a href="http://saturn.jpl.nasa.gov/photos/?start=23">things scientific</a> about Saturn, but that information is available courtesy of <a href="http://www.nasa.gov">NASA</a> and the <a href="http://www.jpl.nasa.gov/">Jet Propulsion Laboratory</a>. So instead, let me just tell you that, if you want to find it, it's in the ecliptic constellation of Virgo, not too far from the wonderful double star Porrima.<br /><br />Oh, and I'm also posting an image I've taken of Saturn in the past. Yeah, I know, not as good as a Don Park or Chris Go, but still...!<br /><br />Clear skies!<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6H-cNoPaVefIjiM8hS96PxSaOV5kmn6cITtvgQ948RAXFsF-drwWtYh4PUEsvtnZNchZrY8iX1x2j_0MgBdIeG2YW6D6_povDXVpBt8iCRTkLswcoi7b_gcZLg1lhVTCbUMGNUkM2O1s/s1600/Saturn.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 262px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6H-cNoPaVefIjiM8hS96PxSaOV5kmn6cITtvgQ948RAXFsF-drwWtYh4PUEsvtnZNchZrY8iX1x2j_0MgBdIeG2YW6D6_povDXVpBt8iCRTkLswcoi7b_gcZLg1lhVTCbUMGNUkM2O1s/s320/Saturn.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5590681742632902962" /></a>Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-12245015801277023292011-02-04T09:16:00.000-08:002011-02-16T07:01:21.648-08:00Paddling against the tideWell, how could I resist this!?<br /><br />Doing the rounds of the Internet and suffering the barbs of media mockers like Jon Stewart and Stephen Colbert is a bit of video of Fox talking head and bombast extraordinaire Bill O'Reilly vs. the atheist.<br /><br />Of course, Bill gave us <a href="http://www.youtube.com/watch?v=3XEgkViLbTk">a great example </a>of the logical fallacy: argument from incredulity (or argument from ignorance) or a "God of the gaps." Pose a question which you insist there is no answer and propose that as the evidence for supernatural agency.<br /><br />In this case, it was the tides. "They go in, they go out. You can't explain it," he challenges the atheist. The problem is, most of us with junior high school level of education can as was pointed out by a viewer in <a href="http://www.youtube.com/watch?v=UyHzhtARf8M">his YouTube response</a>.<br /><br />"You pinheads who attacked me? You're just desperate." Well, Bill, we're not the one's flailing around to defend a clear foul-up of logic. He even goes so far as to pose a series of other seemingly God-proving questions like "How did the moon get there?" "How come we have the sun?" "Why doesn't Mars have (a moon)? Or Venus?"<br /><br />Well, as has been pointed out, Mars has two small moons. Venus doesn't but so what? Objects called nebulae in the night sky have been shown to be forming stars and planets. And how does any of that prove the existence of God? <br /><br />Of course, it doesn't disprove "God's" existence. But it also doesn't prove or disprove the existence of unicorns, fairies, Thor, Zeus or the great Flying Spaghetti Monster and his sacred son Googamooga!<br /><br />The irony of it all is that someone can display such ignorance of basic science using a medium that is the direct products of science and which makes scientific knowledge so accessible. <br /><br />Perhaps Bill should make better use of that technology.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-11256615661382572282011-01-14T10:58:00.000-08:002011-01-14T14:17:28.950-08:00Sidesteppin' astrologySurprise, surprise! The big "shift" is underway!<br /><br />I have to admit, <a href="http://news.discovery.com/space/your-star-sign-just-got-rumbled.html">this one </a>took me a bit by surprise. Turns out that Earth's precession is necessitating a reshuffling of the astrology charts. So if you're a "creative and sensitive" Virgo, you might be about to become a "deep and imaginative" Libran.<br /><br />Or not. <br /><br />Now, I've been pretty straightforward in my views on <a href="http://www.badastronomy.com/bad/misc/astrology.html">astrology</a>. In two words: it's nonsense! And, in fact, I've been thinking of doing a blog on astrology for a while now. Here's my chance. Let's lay it out for everyone here.<br /><br />First of all, there is not one type of "astrology." In fact, there's many different forms of astrology. But they all attempt to accomplish the same thing: tie the affairs of tiny humans to the movements of the stars and planets. Where a planet or the sun or the moon sits in a particular part of the sky determines your "fate."<br /><br />Let's really look at this for a second. The Milky Way galaxy has been around for about 13 billion years. The solar system for 4.5 billion. And we humans have been around for about 2 million years. So what did the universe do without us all that time? Did it wait for us to come along, just so it could start determining fates? I suspect otherwise.<br /><br />And that's the core of my issues with the concept of astrology. It seeks to place humans at the core of creation. I thought we were past that nonsense with the insights of Copernicus and Galileo.<br /><br />Also, like a lot of "magical" thinking, it requires the belief that distance has no impact on the effects. For instance, Venus comes closer to Earth than any other planet in the solar system. It's possible to see its disk withe the naked eye. However, Pluto (argued by astronomers over whether it is or not a planet) also has an effect, even though it's so far away, it's light takes four hours to reach us!<br /><br />Then there's the selectiveness of it. Why just the nine classic planets (again, nine if you count Pluto...which I do)? Why not Ceres? Or Vesta? Or Chiron? All these bodies are large enough to have pulled themselves into spherical shapes. Why would they not have an effect on the fates of individual people?<br /><br />But, like a lot of this sort of thinking, it boils down I think to not just individual but collective vanity - the belief that we are the end point of a universe's evolution instead of just a single point of a much larger, complex system.<br /><br />It's a big universe that existed a long time before we ever came along. It will be here a long time after we're gone both individually and as a species. And in the time we've been here, through science, we've discovered that the universe is an amazing place all on its own.<br /><br />To quote Douglas Adams, "Isn't it enough to see that the garden is beautiful without having to believe there's fairies at the bottom of it?"<br /><br />Clear skies.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-77898200489473445252010-12-17T08:42:00.000-08:002010-12-17T08:50:37.631-08:00Much ado about gasGas giants, that is, specifically Jupiter and Saturn. <br /><br />Jupiter is that bright starlike point of light in the south/southwest sky in the evening while Saturn sits unassuming above the mucho brighter Venus in the morning. And we have astrophotographer <a href="http://www.christone.net/astro/">Christopher Go</a> to thank for the latest images. Just follow his links.<br /><br />In short, Jupiter, which has been missing its south equatorial belt (SEB) since the planet came out from behind the sun earlier this spring is getting it back again. About a month ago, he recorded a bright spot that is long known as a precursor to a revival of the SEB. The revival has continued on pretty much following the same old script! Chris has recorded dark material now girdling the planet where the SEB should be.<br /><br />In addition, Saturn has shown its spots. Well, one spot. But the planet, now a morning object, is as prone as Jupiter to great storms but they are often more subtle and difficult to spot. However, Go says he recorded a white spot (which is also a source of radio noise) and even spotted it visually!<br /><br />Stay tuned! I'm sure these two powerhouse planets are far from finished with their amazing sky show!<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-27471652469396175832010-11-15T10:51:00.000-08:002010-11-24T14:37:10.270-08:00Jupiter's face changesThe face of Jupiter has had some dramatic changes this year and no cosmic plastic surgeon is to blame.<br /><br />Being in astronomy, many people have expressed how amazing they find the sky, but sometimes they express some incredulity, too. "Really, what's so amazing about it? It's the sky! It doesn't change."<br /><br />But nothing could be further from the truth! Planets can change features all the time and Jupiter can be the most mercurial of the lot. A planet made of up mostly gas, over 1,000 times more mass than our planet made up almost entirely from hydrogen and helium, heated from within and rotating once every nine hours - it tends to have a lot of weather.<br /><br />Most prominent of its features are its cloud bands. Alternating light and dark, they represent massive areas of high and low pressure. Ammonia and other chemicals contributes a lot to the colours of the planet that we see. <br /><br />Girdling Jupiter's equator are two darker "belts," a northern belt and a southern one. And earlier this year, Jupiter appeared in the night sky with it's south equatorial belt faded out of view. <br /><br />This isn't the first time it's happened. Indeed, I recall at least one incidence in the early '90s when Jupiter's south equatorial belt disappeared. <br /><br />Most recently, amateur astronomers have noted that the SEB is experiencing a resurgence. What started as a fairly bright spot has been showing signs of bringing back the SEB, much as it has done several times over the last few decades. Astronomers, both professional and amateur alike, have been watching Jupiter in hopes of seeing the re-emergence of the SEB.<br /><br />Of course, the downside of this is that the famous Great Red Spot is more difficult to spot. Oh well, win some, lose some!<br /><br />Unfortunately, as is typical for this time of year in Southern Ontario, the weather has been anything but clear! No doubt, the next time I have a chance to view it, the view will be a lot different than this past summer. And who says the skies never change!<br /><br />Clear skies!<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpOhwBdCEcvoioLKvqOfixRx4b9pne2VZ8jofXb_TuRkW2yknhGjj5Qu_Ym02HHpmU4su-4AeaOLlysu1RN5PcqAUuhX1-pb9dvjjKacRhoHux1vJZJPPBCBLP6ui1BjAaryyhHy0AUvY/s1600/Jupiter.bmp"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 262px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpOhwBdCEcvoioLKvqOfixRx4b9pne2VZ8jofXb_TuRkW2yknhGjj5Qu_Ym02HHpmU4su-4AeaOLlysu1RN5PcqAUuhX1-pb9dvjjKacRhoHux1vJZJPPBCBLP6ui1BjAaryyhHy0AUvY/s320/Jupiter.bmp" border="0" alt=""id="BLOGGER_PHOTO_ID_5543247832030630642" /></a><br /><br /><span style="font-style:italic;">Jupiter before...<br /></span><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBe1mKGeAQa1dw4m9seiMs5xXRTT6Ot2U6hlkLWa8puAR0zAU9NeiDkPFFs2kculifQATBR_elSyR9A6-KGVlVxkqjuyMLBes4ywbtQMuP4UhT618hPTkAjgcyACvilWUF61YjP4ZXKMs/s1600/Jupiter+082910-1.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 262px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBe1mKGeAQa1dw4m9seiMs5xXRTT6Ot2U6hlkLWa8puAR0zAU9NeiDkPFFs2kculifQATBR_elSyR9A6-KGVlVxkqjuyMLBes4ywbtQMuP4UhT618hPTkAjgcyACvilWUF61YjP4ZXKMs/s320/Jupiter+082910-1.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5543248275079966082" /></a><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><span style="font-style:italic;">And Jupiter after, without it's southern equatorial belt but with a prominent Great Red Spot. But things are changing. Here comes the SEB!</span>Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-66389757215608754562010-08-22T08:08:00.000-07:002010-08-23T07:04:40.931-07:00RIP Star Hustler Jack Horkheimer!I remember the first time I saw him on TV and the first thought I had.<br /><br />"You're kidding me! Right!?" <br /><br />But, like all characters, <a href="http://www.jackstargazer.com/">Jack Horkheimer</a>, the 'Star Hustler' seen weekly on Public Broadcasting from the states kind of grew on me and I found myself tuning in as often as possible in the hopes of catching one of his shows. They were fun, they were campy and it was wonderfully informative about all things 'backyard astronomy!'<br /><br />In case you weren't aware, Horkheimer, the executive director of the <a href="http://www.miamisci.org/">Miami Space Transit Planetarium</a> and renowned astronomy "popularizer" passed away in his home in Florida on Aug. 21 from respiratory illness.<br /><br />He started the show back in the 1970s and what made the show endearing was the absolute enthusiasm Horkheimer brought to his presentation. The show would start with its signature theme Arabesque #1 by Claude Debussy. Horkheimer would appear, sitting on "Saturn's ring" to relay the latest goings-on that were visible to the naked eye in the sky. He then would close out the show with the reminder to "keep looking up!"<br /><br />Horkheimer started the show with the title "Star Hustler." However, in the age of the Internet and search engines, he had to change the title of his show because, if you typed in "star hustler" in the search field, chances were good you were going to find a site that had little or nothing to do with astronomy of any kind!<br /><br />He would also challenge many misconceptions about astronomy including a few "doomsday" predictions, and <a href="http://ka.uvuvideo.org/_Star-Gazer-Week-of-August-24-2009/VIDEO/750218/86294.html">this video </a>where he once again tackles that annoying Mars Hoax that just...won't...die! <br /><br />Amateur astronomy has certainly lost one of its best ambassadors. He offered the hobby to a wide range of people in a wonderfully light and uncomplicated manner, reminding everyone that, if you have a pair of eyes, you too are an astronomer. And that is perhaps the most important legacy he could leave.<br /><br />So clear skies...and remember to keep looking up!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-15397560644140007492010-07-19T06:35:00.001-07:002010-07-19T07:59:11.933-07:00Why won't it DIE???!!!!!Oh crap! It's back!<br /><br />Maybe recently, an email came across your inbox declaring that this August, Mars would be as big as the full moon in the sky. A friend of mine who works in an astronomy store in Toronto reports that he even recently got a customer inquiry from someone who wanted to look at Mars then.<br /><br />After seven years, you'd think the Mars Hoax would have run it's course.<br /><br />Just in case you aren't sure what I'm talking about, let me clarify. The origin of this thing goes back to 2003 when Mars did, in fact, have a remarkably favourable "opposition." This is something that happens with every planet beyond Earth when sun, Earth and planet form something of a line in the sky. Think about watching a race from within the circle. As two runners run in their individual tracks, the inside runner appearing to go faster because he has a smaller circle to run, both are going to appear to 'line up' occasionally. <br /><br />For us, this simply means that the planet will rise as the sun sets and vice versa. We see the planet for a considerable amount of time either side of this so it only means, for a brief period of time, the planet is at its biggest and brightest in our sky. This year, that happened for Mars on Jan. 29.<br /><br />For Mars, it's closest approach is about 35 million miles! To give you an idea of distance, the sun is 93 million miles. The moon is about 250,000 miles. You'll see why this is important in a minute.<br /><br />First, let's talk about Mars's orbit. It's weird! More specifically, it's highly "eccentric." Most orbits are somewhat "egg-shaped" but for Earth, Venus and several others, that eccentricity doesn't amount to more than a few per cent out-of-round. Mars is different. It's eccentricity actually amounts to something like 30 per cent. That means the Earth-Mars distance can vary wildly between 35 million miles - like what happened in August 2003 - and almost 100 million miles. That's a difference of nearly 80 millions miles! <br /><br />And the variation between most favourable oppositions? Well, between 2003 and the last most favourable when Mars appeared it's largest in a telescope....about 60,000 miles.<br /><br />Okay, keep that in mind. Here's why...even when Mars is at its closest, it still only appears as a star-like dot in the sky. Granted, in 2003, it was a very bright dot. But still, a dot.<br /><br />In order to actually cover as much sky as the moon does, Mars would actually have to be considerably closer. Say, about 800,000 miles away! That's close! Scary close! As in, not sitting under the romantic ochre glow. More like "Oh God, Oh God, we're all going to die!" close! If Mars were that close, life on Earth would be a very unpleasant thing. The tidal forces between these two bodies would be considerably larger than they are between the moon and Mars (remember, we're talking not just angular size but volume and mass!) <br /><br />So now you know why not to take too much stock in the Mars hoax. Of course, if you're still inclined to buy a telescope from my friend, go right ahead! He might even tell you about some interesting things you actually can see!<br /><br />Oh, and just so you know, on Aug. 23, Mars will be close to the sun and low on the western horizon near Venus.<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-46085760831052364402010-05-27T18:53:00.000-07:002010-06-04T13:57:18.967-07:00What's up with Jupiter!?I'm resigned to the fact that all the really cool things happening in the sky are going to happen at hours of the night when I'm comfortably and irretrievably ensconsed in my bed.<br /><br />Interesting asteroid passes, novae...they're all on the list. Now, Jupiter's on it too.<br /><br />The fifth planet in our solar system is a pretty dynamic body all on a regular basis. Giant storms the size of Earth or larger, psychedelic weather patterns, multiple moons that go round and cast visible shadows across its face. But now, it's got some real wild goings-on that would almost make it worth setting the alarm for the wee hours of the morning.<br /><br />First, it's south equatorial belt. Because Jupiter is little more than a giant ball of gas, the planet is nothing but weather. And because of its massive size, it gained a lot of angular momentum as it formed from infalling gas. The result is that it also spins very fast - once every nine hours - which stretches out its weather systems.<br /><br />The result is its iconic cloud bands. However, lately, Jupiter has been <a href="http://www.astronomy.com/asy/default.aspx?c=a&id=9850">missing its south equatorial belt</a>. Jupiter's Great Red Spot is reportedly visible without anything of the belt near it. <br /><br />It's something of a mystery. Not unknown, it's happened before. Several times, actually including one I recall back in the early '90s. Even in my primitive Tasco reflector, Jupiter's Great Red Spot was quite noticeable without the competition of the dark, expansive southern belt. In fact, Jupiter's northern equatorial belt has expanded and become even darker.<br /><br />Also recently, an amateur astronomer who recorded a black cloud that mysteriously appeared in Jupiter's south temperate zone last summer also recorded a <a href="http://gawker.com/5555108/want-to-watch-something-crash+land-on-jupiter">bright flash</a> in the atmosphere that can only have come from another impact. Amazing! So far, no sign of a black cloud like last summers or, most memorably, the comet impact of Shoemaker-Levy 9 in 1994, but stay tuned.<br /><br />The problem? Jupiter doesn't rise until much, much too early in the morning for me. As an astronomer, understandably, I'm a bit of a night owl. "So?" you might say. "Suck it up, buttercup!"<br /><br />Fair enough. Except that I have a little problem...a large two-storey strip mall to my south. So Jupiter doesn't rise high enough to clear the building before the sun rises. That's my story, and I'm sticking to it.<br /><br />So, as the season progresses and Jupiter rises higher...so much the better. However, in the meantime, I'm going to enjoy my sleep.<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-30068987073409193912010-05-02T20:22:00.000-07:002010-05-02T21:01:25.724-07:00Is that a 'hand' you're shaking?By now, everyone's heard of physicist Stephen Hawking's assertion that announcing ourselves to the greater galactic community might be a bad idea.And, not one to miss out on an opining opportunity, here's my two percent of a buck's worth.<br /><br />Hawking's basic premise, on the surface anyway, seems reasonable. Essentially, by announcing our presence to anyone "out there," we run the risk of finding ourselves much as the Native Americans did with the arrival of the more technologically advanced, hygiene deficient Europeans. Let's bring it down to brass tacks by saying, basically, they were 'boned!'<br /><br />However, it's fair to say that the aliens won't be 15th century Europeans. They may even take baths. <br /><br />For one thing, it's highly unlikely they will find anything here that they can't find "out there," James Cameron and 'unobtainium' notwithstanding. Water seems remarkably plentiful in the universe and it's doubtful they would find us very palatable. Hey! If they've mastered the fine art of interstellar travel, chances are pretty good they've managed to eliminate a wide variety of the shortages that ails society today. If not, they're not going to get far looking here for the secrets of the universe here, I suspect. <br /><br />It also assumes they're even going to travel the distance at all. After all, interstellar travel encompasses a host of technical challenges, not the least of which is time and ultimate speed limits! Our first "alien" visitor might simply be a Voyager-like probe. Perhaps it's already passed, or is on its way. <br /><br />In fact, Fermi's Paradox - if there are aliens out there, given the age of the universe, how come we haven't met them yet - still holds a certain sway. Remember, Frank Drake's famous equation was never actually meant to be the final word on the likelihood of actually finding aliens, simply an agenda of points for a meeting on Project Ozma, one of the first Search for Extra-terrestrial Intelligence (SETI) efforts. And, Area 51 conspiracists and the tinfoil hat crowd aside, we have yet to find any real evidence for <span style="font-style:italic;">anyone</span> out there! The universe remains distressingly quiet.<br /><br />One other thing pops to mind...that of the messenger. Now, don't get me wrong, I'm a big fan of Stephen Hawking. The man is brilliant! But he's not an astronomer, or a part of the SETI team. He's a theoretical physicist. While he has as much to lose by a planet razed to rubble by marauding aliens, he's as much of an authority on it as I am. So why the extra authority given to his voice on a subject out of his normal 9 - 5?<br /><br />Ultimately, the point is moot. We've already announced our presence to listening...um...'ears' and continue to do so with every radar pulse, flick of a light switch and call on a cell phone. From 50 light years out in space and listening with radio ears, our little blue marble would be the loudest radio source there is in the sky. So the cat's already out of the bag.<br /><br />So get your tinfoil out and hope for the best. After all, if they're not here now...<br /><br />Clear - and hopefully unthreatening - skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-36069725966389750372010-04-15T09:33:00.000-07:002010-04-15T10:29:36.163-07:00Human space exploration still 'do-able!'There seems now to be a tendency to view the current state of affairs in space exploration as a major setback. And, in many ways it is. But it's also an opportunity for a renewed and more cooperative approach to space exploration.<br /><br />In 2004, when former U.S. president George Bush announced his country's plans to return to the moon, it could have been and was viewed by some as a means to divert at least some attention away from a clumsily executed and increasingly unpopular "War on Terror." However, its resultant Constellation program also marked an important step in maintaining a human (and largely American) presence in space in the wake of the retirement of the aging shuttle fleet.<br /><br />A new administration brings a new set of priorities. And a return to the moon - and even beyond - is sadly not high on that list. <br /><br />Human exploration isn't popular to many and they do have a point. It is inherently unsafe and inherently expensive, with robotics capable of doing many of the things human beings would be able to do and at a fraction of the cost. But robots can't do everything. They can't move autonomously. They can't make snap decisions. And they can't get themselves out of sticky situations creatively, should they arise.<br /><br />Ah, but there's that price tag again. About $400 billion by some estimates to get a crew of people to Mars.<br /><br />Clearly, there is a lot of room for recriminations. A lot of work already completed on the Constellation program will now go into mothballs. Or, does it need to?<br /><br />Here's the thing...a lot of nations in the world are already "spacefaring" or, at the very least, have their own space agencies and are involved in space exploration technology development. Canada is most definitely one of the latter! Other nations like China, India, Japan, etc., have already shown tremendous prowess at launching satellites, material and even people of their own into space. Russia is already a major player.<br /><br />So why not make space exploration more of an international effort? I know, I'm hardly coming up with anything new here. This sort of idea has been rattling around for years. But could this new change in American focus be a new opportunity to take what has been learned and "spread the cost?"<br /><br />Any nation that participates in a united effort to get to space will also be the first to accrue the benefits. And any space exploration development project does lead to new technology development. So already, that is one major incentive.<br /><br />And it just seems to make sense. For one thing, it's already agreed by international treaty that space, the moon and the planets do not belong to any single nation. Why should their explorations be any different?<br /><br />There is so little that unites the nations of the world. However, a shared interest is certainly a good place to start. And a truly international success that lands an international crew on the moon or even Mars would benefit from shared success far more than they would from singular resentment and envy.<br /><br />of course, as <a href="http://www.space-travel.com/reports/Autarky_In_Space_999.html">this</a> article on Spacedaily.com points out, it is likely to be a difficult row to hoe as many nations continue to look on their neeighbours with suspicion and insist that they can do it on their own. However, it is worth it for nations to start putting such foolishness away. The reasons are far too many to list and none are more important than the other.<br /><br /><br />If it can be conceived of, it can be done. All it takes is a little will. And a good dash of hope. <br /><br />Clear skies.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-26294635419402124702010-04-01T11:00:00.000-07:002010-04-01T14:01:22.973-07:00So...NOT the end of the world, then!On Tuesday, it was announced the Large Hadron Collider near Geneva, had smashed two 3.5 trillion electron volt beams of gold ions together. The combination resulted in record energies never before produced on Earth, almost instantaneously creating conditions similar to the universe in the first milliseconds after the big bang.<br /><br />Almost just as quick, internet discussion groups were alive with both declarations of praise and predictions of doom.<br /><br />Of course, you're probably aware of the LHC is. It's the product of the European Organization for Nuclear Research (CERN), a consortium of 20 European states that spent 10 billion Euros to build the LHC, the largest scientific instrument ever built. it is a 17-mile circumference track of superconducting magnets that direct opposing beams of charged particles into collisions of tremendous force! Imagine the kinetic energy of two baseballs colliding into each other at 100 miles per hour each. Doesn't sound like much? Well then, condense that into an atom. That's a big whack for a little atom!<br /><br />Of course, for the past couple of years, a lot of talk has been heard over "will this create a black hole and destroy the Earth?" It has even spawned lawsuits in order to prevent the switch being thrown. However, in addition to courts rejecting the bid on the grounds that it was out of their jurisdiction, there were also arguments that nature does this kind of thing over our head every day. In fact, the particles that come into our atmosphere from cosmic phenomenon are even stronger and rain all manner of subatomic particle on us.<br /><br />So here's the thing...the chances of such an occurrence are not zero. But they're also so remote, you might as well be worried about being trampled by a dinosaur in the next 30 seconds. Hasn't happened yet? Not surprising!<br /><br />And there were those saying "What a waste of money! It could have been spent on 'real' problems here." To me, that's a spurious argument. First of all, it assumes that "throwing money" at a problem is a solution. Frequently, it's only the cause of more problems. <br /><br />Secondly, it assumes that not enough money is being spent on certain problems already. However, if you listen to actual economists and people on the ground dealing with these issues rather than Bob Geldof and Bono, the real problem is not the amount of money being spent, but the fact that it isn't getting where it's going. In fact, again, a lot of it boils down to the expectation that money somehow solves everything.<br /><br />Finally,it presumes to be able to predict how discoveries by CERN will actually be used. Indeed, with every experiment of this type, it opens up the possibility for new and better understanding of the fundamental laws of nature. That, in turn, can lead to advancements in technology that can and have been proven to enhance the quality of life.<br /><br />So, by next year or so, we should be seeing the LHC powering up even higher to it's maximum 14 trillion electron volts. What amazing discoveries can we look forward to?<br /><br />See you at the bottom of the black hole!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-47886281715914960672010-03-26T10:22:00.000-07:002010-03-26T12:57:36.157-07:00The Greatest Show...Everywhere!Friends of mine may have noticed I've taken a particular interest in evolution lately. <br /><br />It is no small part owed to a book I'm reading now, The Greatest Show On Earth: The Evidence for Evolution written by Richard Dawkins. It is a fascinating book, well worth the read. I'm more than halfway through it in a surprisingly short amount of time. For something as "technical" as biological evolution, which is not any kind of expertise for me, that's a challenge.<br /><br />Of course, in discussions I've got into about astronomy, I find an understanding of evolutionary processes is important not just for biology but for all sciences. The universe is certainly the biggest ongoing evolutionary process that we can imagine.<br /><br />Like biological evolution, the notion of an evolving universe has not always been considered or accepted. With the growth of empiricism and the development of modern scientific processes such as experimentation and observation, the way has been opened up. Over 400 years ago, we started to develop a broader understanding of the universe and our place in it when Galileo turned that first primitive telescope toward the skies and discovered that, no Victoria, we really aren't at the center of everything.<br /><br />Even so, it wasn't until the end of the 19th and very first decades of the 20th Century that we got our first real glimmers of our present cosmology - the expanding universe. We generally credit Edwin Hubble with the discovery in the 1920s of galactic redshift - the process by which a galaxy's light is "stretched out" by Doppler shift toward the red, indicating it is receding from our line of sight - but he did have predecessors including Vesto Slipher, James Keeler and William Campbell. <br /><br />Our understanding of our evolving universe itself has evolved from a "steady state" in which the universe is as it always was to our current understanding that it had a beginning, is expanding and will likely continue on forever at an ever-faster pace. It's an irony that the name "big bang" came from one of its most vocal detractors, Fred Hoyle. Imagine if creationists could have had a chance to name evolution. Yikes!<br /><br />Better technology and the limiting speed of light has enabled astronomers to peer into the universe's own "fossil record" from the background 3-degree Kelvin "glow" left over from the big bang to young infant galaxies imaged by Hubble's space-borne namesake to even more recent discoveries of fainter, farther and less developed galaxies.<br /><br /><a href="http://www.space.com/scienceastronomy/060921_young_galaxies.html">Here</a> is a recent fairly recent article on it. <a href="http://en.wikipedia.org/wiki/File:Hubble_ultra_deep_field_high_rez_edit1.jpg">Here</a> is a picture of one of the Hubble Deep Fields that show dozens of younger, smaller, less "evolved" galaxies.<br /><br />I used to say that I "believe" in evolution, but I know now that that was a poor choice of words. Science is about evidence. Scientists look to evidence to draw conclusions and must always be open to the possibility of contradictory evidence that might render that conclusion "false." In the case of the big bang and both cosmological and biological evolution, such evidence has not surfaced.<br /><br />One thing this does not do is say anything about "God." I neither acknowledge or deny "God" as a factor in existence because, quite frankly, it's a concept that lacks definition, in part, because God by definition is either "super" or at least "supra" natural, existing outside of our frame of reference that we consider "nature" by the mere supposed act of "creating" it.<br /><br />We cannot view "outside" of our universe. Not that such a thing might never be possible. But it leaves us with a problem. And to try and confirm the existence of "God" by his supposed "creation" is an exercise in faulty circular logic. How can we verify the existence of "God" if we cannot see beyond our universe? <br /><br />Additionally, every process of nature carries on, regardless of the presence of a guiding hand or not. The sun shines, not by continued animal (or human) sacrifice, but through nuclear processes. The rains come and go, bringing bounty or disaster, regardless of what deity is prayed to. And good things happen to bad people and vice versa. <br /><br />So if God isn't an explanation for anything, is it not fair to say that God is an explanation for nothing? Some are content to throw up their hands and say "it takes faith." Others say "that's it, there is no God." I remain firmly on the fence. Sure, I may end up with a logic wedgie! But I'm content to keep my options open.<br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-59223862309568228522010-03-01T07:26:00.000-08:002010-03-06T10:41:48.877-08:00Congrats New HorizonsHalfway there!<br /><br />When I was a kid, whenever we had to go on long trips, one of my more annoying habits - at least as far as my parents were concerned - was to constantly ask "how far!?" If I were riding the cold depths of space in the backseat of New Horizons probe to Pluto, the answer would be a definitive "halfway there!"<br /><br />New Horizons is the NASA probe to have a closer look at one of the more distant specks of light in our solar system, Pluto. Of course, when it was launched in January 2006, Pluto was still considered a "planet." Since then, it has been "demoted" in a sense. It's now a "minor planet" or "plutoid," simply one of the larger (but not the largest, that honour currently belongs to a more distant speck called "Eris") objects at the edge of our solar system.<br /><br />Actually, by tremendous coincidence, NOVA on PBS recently showed <span style="font-style:italic;">The Pluto Files</span> with Neil DeGrasse Tyson. Tyson is the director of New York's Hayden Planetarium who got into a bit of trouble with school children everywhere when, after a renovation of the planetarium, the new solar system display did not include Pluto as one of the main planets.<br /><br />I missed half of the original airing, however, it can be watched online at <a href="http://video.pbs.org/video/1425502261/">http://video.pbs.org/video/1425502261/</a>. It was quite the lighthearted take on what was actually a bit of a contentious debate. After some thought, I have to agree to a certain degree that the reasoning is sound. Still, in my heart, Pluto will always be a planet. It's not a scientific view. But it's an honest one.<br /><br />Clyde Tombaugh discovered this little body on the edge of the solar system. Tombaugh himself started off observing the planets with a home-built telescope from the family farm in Kansas. His drawings led him to the attention of Lowell Observatory, where he was hired. During his time there, he was brought on to a project to hunt for the "10th Planet."<br /><br />In January of 1930, Lowell took two photographs of a section of sky in Gemini and compared them. And there, a tiny dot flipped back and forth. After a few follow-up observations, it was announced that the 10th planet was found. To this day, he continues to be deservedly honoured by his home town of Streator, Illinois. Some of his ashes are even on their way to Pluto and beyond on the New Horizons probe.<br /><br />However, things changed for Pluto starting in the 1990s. Dave Jewitt and Jane Luu discovered a small object out in that same region of the solar system called 1992 QB1. Over the course of the next several years, many more have been found including a couple such as Eris that are actually larger than Pluto.<br /><br />This sparked a debate...can we actually call Pluto a "planet?" After all, it does have several characteristics we attribute to our classic examples of planethood - it's big, round, orbits the sun...the usual stuff. In 2006, the decision was made by the International Astronomical Union...Pluto was no longer a planet a "dwarf" planet. <br /><br />So, in the meantime, we wait for 2015 when New Horizons which is the fastest moving object ever launched by humans encounters this mysterious object. It will likely bear a striking resemblance to such objects as Neptune's moon Triton. But it's always the unexpected that makes planetary science all the more interesting.<br /><br />And we're halfway there!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-22655986001264626832010-02-17T12:11:00.000-08:002010-02-17T13:00:36.472-08:00Why astronomy is better than sex.Yeah, I know, I'm as surprised as you. But, after considerable thought, it turns out that astronomy really is better than sex. Don't believe me? Here's my Top 10 list:<br /><br />10: It is possible to have a “22-incher!”<br /><br />9: Nearby mosquitoes are extremely limited in options of where they can bite you.<br /><br />8: Oo’s and Aah’s are usually sincere.<br /><br />7: "It's not how big it is but how you use it" is actually a valid point...at least where telescopes are concerned.<br /><br />6: Group involvement without any of that awkwardness afterward.<br /><br />5: Doing it alone is okay, too.<br /><br />4: “Wow, that was amazing!” is also usually sincere!<br /><br />3: It can be done lying down, standing up or in a sitting position…oh wait, that works either way.<br /><br />2: Much shorter recovery time afterwards.<br /><br />And my Top Reason Astronomy is Better than Sex?<br /><br />1: You don’t need any special pills to keep the fun going all night long!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-75126121424513064842010-02-08T08:50:00.000-08:002010-02-08T09:37:44.009-08:00Wow what a sun!Wow, has the sun ever been getting busy over the last little while.<br /><br />As of today (Feb. 8), there were three active regions occurring at once including two across the northern half of the visible hemisphere - including one massive sunspot group - and even a southern hemisphere spot.<br /><br />Can there be any doubt that we're out of that long, drawn out "solar minimum?" I didn't think so! <br /><br />Do I sound a bit giddy? Perhaps but that's only because an active sun is an amazing sun in so many wavelengths. The full spectrum view certainly has plenty to offer. Giant blotches of black that mark the relatively cooler regions where twisting magnetic fields break free from the bubbling solar interior, specklings of white magnetic "froth" known as faculae.<br /><br />However, "narrow band" views such as those offered specific ionized gases such as hydrogen, calcium and sodium also offer a variety of amazing views.<br /><br />Sadly, without a lot of money, there are very few opportunities to see the sun in some of these wavelengths. While a Hydrogen-Alpha "solar scope" is purchased for a relatively low $700, some of the other specialty solar scopes are considerably more expensive.<br /><br />Easier methods of viewing are through a couple of websites I like to check on a regular basis. Until recently, there wasn't much to see. Now, however, they offer tons to look at. The sites I follow most are:<br /><br /><a href="http://www.spaceweather.com">Spaceweather.com</a><br /><br />Or:<br /><br /><a href="http://sohowww.nascom.nasa.gov">the Solar and Heliospheric Observatory</a><br /><br />And:<br /><br /><a href="http://www.bbso.njit.edu/">Big Bear Solar Observatory</a><br /><br />Of course, if one were inclined to view the sun and didn't own the appropriate equipment, this would be the best way I'd recommend they go have a gander at our nearest star. It's a lot safer than sunglasses or exposed film. <span style="font-weight:bold;">Both of those methods will lead to blindness!</span><br /><br />Clear skies!Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-75402394204353167312010-01-27T18:48:00.000-08:002010-01-27T18:54:05.758-08:00Amazing Mars!<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBxXi_vy3t7OWLT78E7UGU-sqTatPSSgJ1IJQV4A_QffssRMz3chiP8AD_AH10tqw3U4TeY8qUz9JaCxlmkt29u2IuFteyQC3w7Qf_P_fJXVmxkQ2i1ovnXBcmYrH6mbqO3DD86CMJSqM/s1600-h/mars1+012210.jpg"><img style="float:right; margin:0 0 10px 10px;cursor:pointer; cursor:hand;width: 320px; height: 262px;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBxXi_vy3t7OWLT78E7UGU-sqTatPSSgJ1IJQV4A_QffssRMz3chiP8AD_AH10tqw3U4TeY8qUz9JaCxlmkt29u2IuFteyQC3w7Qf_P_fJXVmxkQ2i1ovnXBcmYrH6mbqO3DD86CMJSqM/s320/mars1+012210.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5431618369009502498" /></a><br />So it’s official. The Mars Exploration Rover Spirit is no longer a rover. It’s now slated for more ‘in situ’ science.<br /><br />This was the announcement made by NASA this week, oddly enough at the same time that Mars makes its closest approach to Earth – if you consider 99 million miles “close” – today (Wednesday, Jan. 27) and the 29th is when Mars is officially at “opposition,” rising opposite the setting sun in the sky.<br /><br />I’ve always been fascinated by Mars. There’s just something about it. It has a certain “allure” that no other planet seems to have. But what is it about this tiny little world that’s only twice the size of our moon?<br /><br />I mean, c’mon! Here’s the only planet in our solar system for which we can get a “reasonably” clear view of its solid surface. It’s only visible once every two years as we catch up to it in our respective orbits of the sun. And it has such an interesting ochre colour. <br /><br />So a week ago, I actually had a clear enough night to not only take the scope and try and view Mars, but also attempt to image it using a lunar and planetary imager. I’ll admit, my images weren’t nearly as crisp and detailed as those by others more skilled and experienced at imaging. But it was fun nonetheless and one quickly gets an idea how the minds of some observers and writers have been attracted to this distant, tiny little globe.<br /><br />Consider what happened when the astronomer Giovanni Schiaparelli who, during Mars’ opposition in 1877, while observing Mars in Brera, Italy thought he noticed “linear” features he called “canali” or “channels” in Italian. However, this observation set off a firestorm in the public’s imagination, particularly in the mind of businessman and astronomer Percival Lowell who became convinced they were actually “channels” built by a dying civilization to carry water from their melting poles to the equatorial regions.<br /><br />Now, in all the years I’ve actually been able to look at Mars through a telescope, I’ve never seen hint of “channels.” However, I didn’t have a telescope like Lowell built to observed these “cannals” – a 24-inch Alvin Clarke refractor that is still in service today. Ironically, it has since been suggested that what Lowell was actually seeing were shadows of his the veins in his eye’s own retina.<br /><br />The belief in Martians inspired a lot of literature including Edgar Rice Burroughs and his fictitious Mars adventurer John Carter and the Martian Barsoomians, as well as Ray Bradbury with his book The Martian Chronicles.<br /><br />Space probes from the late 1960s to now have given us ever more evolved views of what Mars really is like and, though there are no martians wandering around (Weekly World News notwithstanding), it has proven a stunningly dynamic world. It’s one that has evolved from what might have briefly been analogous to Earth to a frozen wasteland with subtle hints that water might still exist. Even rocks sent to Earth from Mars, courtesy of a few really big impacts have given us indications that maybe…just maybe…Mars isn’t as dead as we thought it was. One of the best series I’ve read that reflects some of this new understanding of Mars is Kim Stanley Robinson’s Mars series that chronicles the exploration and colonization of Mars. Not only are the characters rich in personality and humanity, the sweeping vistas and cutting-edge science are stunning!<br /><br />But hey! What’s not to love about Mars?!<br /><br />Of course, over the past couple of “oppositions” of Mars, the weather has been anything but cooperative and that love has been largely unrequited. In fact, last time it came around, I didn’t get a single glimpse of it. Now, clouds are still calling a halt to most plans to observe Mars. <br /><br />So keep your fingers crossed that the weather may actually begin to cooperate and maybe, just maybe, we’ll get more chances to marvel at this distant, ochre world.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1tag:blogger.com,1999:blog-5707686179938835510.post-59041741634421676302010-01-18T13:22:00.000-08:002010-01-18T13:24:08.702-08:00Hollywood astronomy: Fiction vs. factA while ago, I had the misfortune to rent the Nick Cage movie Knowing. Of course, if I had any knowing of what a turkey this thing would be, I might have made alternative arrangements…like shaving my legs or plucking out my fingernails with pliers. Those are a couple of hours I’m not ever going to get back again.<br /><br />Spoiler alert: If you missed it, alien “signals” to the mind of a girl in the 1950s lead her to write a long list of numbers that turn out to be the dates, times and locations of major disasters leading to one final cataclysm. That cataclysm, in all its absurdity, is a giant solar “superflare” that destroys the Earth. <br /><br />Never mind that the aliens leave our rescued kids on an alien planet! Alone! Or that they could somehow “know” the future. How about the idea that a giant solar flare could incinerate Earth?! Barring the sun inexplicably blowing up – and it’s unlikely to since it is in a very stable point in its evolution – when was the last time you saw someone burst into flame because they stepped through someone else’s cigarette smoke? Because that would be the equivalent of this scenario.<br /><br />Yup, from time to time, those of us who know something about astronomy can’t help but shake our heads whenever we see Hollywood play fast and loose with the science. There have been a few real stinkers over the last while. For instance, there are two movies I’ve done my best to avoid. One is called Earthstorm starring Alan Baldwin and pretty much nobody else of note, either.<br /><br />Plot: giant asteroid impacts moon, causes moon to become unstable, bad things happen on Earth for no apparent reason and someone goes up in a hastily built spaceship with a lot of explosives that somehow saves the day. <br /><br />So many weaknesses to this but, of the main ones, any idea how big an object has to be in order to impact the moon enough to be a problem? Or how much damage your average asteroid can do to the moon? Throw a baseball at a very large cinderblock building. Anything happen? No? It would be the same thing for the moon.<br /><br />Last summer was the mini-series Impact starring Natasha Henstridge and, again, pretty much no one else of note. <br /><br />Plot: A “piece” of a brown dwarf impacts the moon, changing it’s mass and causing it to shift in its orbit around Earth. Again, send up hastily built spaceship with explosives. Except….a “piece” of a brown dwarf? Brown dwarves are essentially “failed stars.” Giant balls of gas like Jupiter. Certainly not something we’re going to miss were it buzzing around our solar system. But a “piece” of a brown dwarf? So basically…the moon was hit by a puff of gas. Note to NASA: don’t let astronauts pass gas when they land on the moon!<br /><br />Yeah, I could go on, but why? Such is the nature of the beast. Why let facts and physics get in the way of a “good” story, even if it buries the implausibility meter. Still, it would be nice if someone in Hollywood actually asked an astronomer.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com0tag:blogger.com,1999:blog-5707686179938835510.post-1572592739584097482009-11-06T16:32:00.000-08:002009-11-06T16:33:36.875-08:00The end is nigh!...or not.Okay, I’m confused.<br /><br />Find an online discussion group, chances are pretty good that you’re going to find someone touting one end-of-the-world scenario or another. According to one, it’s Planet X, the other it’s some “grand alignment” of the Sun, Earth and galactic core, other’s still it’s this government or other with their Illuminati, Masons, Lizard Space Aliens vaccination, death camps, injected mind-control device, invasion of the body snatchers…take your pick! There’s so many scenarios, you’re almost faced with an embarrassment of riches for ways in which to shout “The End is Nigh!!!!” They even clash and contradict…”It’s the Illuminati,” “No, it’s the space aliens,” “Pole shift!” “No, they do,” “Yes, they don’t.” <br /><br />And as the calendar shuffles through the 20-aughts, a veritable doomsday “religion” is growing out of the belief that 2012 is the year that it all comes to a crashing end. A smaller group contends it’s a shift in “consciousness,” the details of which are, of course, a tad sketchy. But the ones getting the most traction are the big “We’re all going to Die!!” scenarios. Nice to have something to look forward to, isn’t it?<br /><br />Want someone to blame it on? How about the Mayans?<br /><br />Bit of background: Centuries ago, a large Central American civilization developed as civilizations do, growing, coming to prominence and then dying out for a variety of sociological factors. The Maya were a people who were superb astronomers, mathematicians and obsessed with time-keeping. They developed a calendar that relied on several cycles of the passage of time, culminating in the “long count” calendar. The latest cycle expected to end in what, by our calendar, corresponds to 2012. <br /><br />For years, this has spawned a minor cottage industry of doomsayers who are convinced any one of these scenarios is going to mean the end of everything. Books have been written and a quick scan through the Internet will find no shortage of sites with some whacky predictions. So let’s take a look at these<br /><br />One of my favourites is “Planet X.” This is the idea that an unseen companion to the sun – a “brown dwarf” by many accounts - is on its way to the inner solar system and will cause all manner of disruption to Earth’s orbit and the alignment of the poles. The problem with that is, there’s absolutely NO evidence for such a companion. <br /><br />Of course, there are those that argue that the “government” is hiding the truth. Of course, this ignores a considerable amount of actual astronomy. Particularly laughable is the idea that an object the diameter of Jupiter and with a mass eight times or greater could “hide” in the outer solar system. And let’s not forget the thousands of amateur telescopes pointing with access to the night sky.<br /><br />Then there’s the “grand alignment” of the sun with the galaxy’s core. On Dec. 21, 2012, the sun is supposed to miraculously align with the center of the galaxy, resulting in some strange channel of “energy” opening up, etc., etc.<br /><br />Okay, some basic information: Core of the galaxy (RA refers to "right ascension" in hours, minutes and seconds, Dec refers to "declination" in degrees, minutes and seconds)<br />RA 17h45m40.04s, Dec -29deg 00' 28.1" Sun's position on Dec. 21, 2009 will be RA 17 h, 59m 44 s, Dec -23deg 26' 28". On Dec. 21, 2012, the sun’s position will be RA 18h 0m 57s, Dec. -23 deg 26' 22"<br /><br />So the sun's position will be more than one hour of arc further east from the relative position of the centre of the galaxy's position in the sky in RA, and less than 6 seconds of arc further north in declination. In the meantime, the sun doesn't come closer than 6 degrees of the known galactic centre's relative position. Again, remembering that we are 26,000 light years away from the galaxy's true centre...thankfully. By comparison, Jupiter is the largest planet in the sky and subtends just 45 arc seconds across the sky while the moon covers half a degree. <br /><br />Most mysterious of all is the “pole shift.” Some how, either Earth’s magnetic field is supposed to spontaneously flip over night or the Earth itself is expected to flip end-over-end, either through magnetic flux from the sun or gravity of said Planet X. Magnetic flips of polarity do occur but they take time and, of course, life has continued onward throughout the eons as it has. So strike that one. In the meantime, nothing has ever actually “flipped” so how it’s supposed to happen now is beyond comprehension.<br /><br />Of course, one might find such stuff little more than entertaining diversion and, for most of us, they’d be right. What worries me is the small groups, like those who upon learning of a “Saturn-like object following” Comet Hale-Bopp (it was actually a star distorted by the photographic process) decided the mothership had arrived to take their souls and they committed suicide.<br /><br />The general interest in such doomsday scenarios also speaks to a more fundamental flaw in humanity…the obsession with our own demise. We seem obsessed with death, an obsession that plays out in any number of disturbing and destructive ways.<br /><br />Me, I prefer to look to the future. Like, Jan. 1, 2013.Andrew Wareinghttp://www.blogger.com/profile/08108424461516649679noreply@blogger.com1