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Nasa releases images of entire universe – and we're over

 
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PostPosted: Sat Mar 17, 2012 12:52 am    Post subject: Nasa releases images of entire universe – and we're over Reply with quote

div class="track"img alt="" src="http://hits.guardian.co.uk/b/ss/guardiangu-feeds/1/H.22.4/59208?ns=guardianpageName=Nasa+releases+images+of+entire+universe+*+and+we%27re+over+the+moon%3AArticle%3A1719057ch=World+newsc3=GU.co.ukc4=Nasa%2CSpace+%28Science%29%2CSciencec5=Not+commercially+usefulc6=Tom+McCarthy+%28US+based+reporter%29c7=12-Mar-16c8=1719057c9=Articlec10=Blogpostc11=World+newsc13=c25=US+news+blogc30=contentc42=Newsh2=GU%2FNews%2FWorld+news%2Fblog%2FUS+news+blog" width="1" height="1" //divp class="standfirst"Image from Nasa is a mosaic of images covering the entire sky as observed by the Wide-field Infrared Survey Explorer/ppThe Fermi paradox, named for the physicist Enrico Fermi, goes something like this: given how big and old the universe apparently is, there is bound to be alien life out there somewhere. But given that the universe is so big and so old, if there's alien life out there, why haven't we earthlings encountered it yet? The experiment certainly has run its course for long enough now./ppThe paradox may play in the mind of anyone who catches an astounding image released this week by Nasa of … the entire universe. The full-size image (and what warrants full size as much as an image of the universe?) a href="http://www.nasa.gov/images/content/630303main_pia15481c-full_full.jpg"is here/a./ppThe image is actually a mosaic of the images covering the entire sky as observed by the Wide-field Infrared Survey Explorer (Wise). Wies is an unmanned satellite carrying an infrared-sensitive telescope. As with a flat map of the Earth's surface, the right and left edges of this oval shape are the same location in the sky. The bright belt is the Milky Way galaxy. a href="http://www.nasa.gov/mission_pages/WISE/multimedia/pia15481.html"Nasa explains/a:/pblockquote class="quoted"pThe Milky Way is shaped like a disc and the solar system is located in that disc about two-thirds of the way out from the centre. So we see the Milky Way as a band running through the sky. As we look toward the centre of the Galaxy we are looking through more of the disc than when we are looking at large angles away from the centre, and you can see a noticeable increase in stars (coloured blue-green) toward the centre of the image … Residuals of the planets Saturn, Mars, and Jupiter are visible in this image as bright red spots off the plane of the galaxy at the 1.00, 2.00 and 7.00 positions, respectively./p/blockquotepThe Space Sciences Laboratory at Berkeley has helpfully labeled some of the heavenly bodies visible in the image. Our favorites include Andromeda Galaxy, The Pleiades, Sombrero Galaxy, Heart and Soul Nebula and, of course, the Fornax Cluster. Just look at that up there.a href="http://wise.ssl.berkeley.edu/gallery_images/WISE2012-003-A-annotated.jpg" Look at that/a./pdiv class="related" style="float: left; margin-right: 10px; margin-bottom: 10px;"ullia href="http://www.guardian.co.uk/science/nasa"Nasa/a/lilia href="http://www.guardian.co.uk/science/space"Space/a/li/ul/divdiv class="author"a href="http://www.guardian.co.uk/profile/tommccarthy"Tom McCarthy/a/divbr/div class="terms"a href="http://www.guardian.co.uk"guardian.co.uk/a copy; 2012 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our a href="http://users.guardian.co.uk/help/article/0,,933909,00.html"Terms Conditions/a | a href="http://www.guardian.co.uk/help/feeds"More Feeds/a/divp style="clear:both" /
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