A Galactic Star Forming Region in Infrared


	A Galactic Star Forming Region in Infrared

amgumen

9-29-2007 9:32 PM

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/8bd7bd7d-fb7a-4b4f-b9b2-b19f98b24d57/9FF7645D-C603-43C5-A947-60E52B070B50/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://antwrp.gsfc.nasa.gov/apod/ap070924.html" href="http://antwrp.gsfc.nasa.gov/apod/ap070924.html" style="font-size: 11px;">antwrp.gsfc.nasa.gov</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antwrp.gsfc.nasa.gov/apod/ap070924.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/antwrp.gsfc.nasa.gov/img/CCD089FE-8FFC-40D6-831B-D923FAC24235" alt="See Explanation.  Clicking on the picture will download
 the highest resolution version available." /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antwrp.gsfc.nasa.gov/apod/ap070924.html">astronomers took a 
deep image in infrared light of an active part of our 
<A href="http://cassfos02.ucsd.edu/public/tutorial/MW.html">Milky Way Galaxy</A> 
where star formation is rampant.  
In IRDC G11.11-0.11, thick clouds of 
<A href="http://antwrp.gsfc.nasa.gov/apod/ap030706.html">dust</A> and gas are congealing into stars 
that are so dark that humans living there would see an empty night sky.  
<A href="http://www.spitzer.caltech.edu/Media/releases/ssc2006-20/
ssc2006-20a.shtml">The image</A>, though, taken last year by the
<A href="http://en.wikipedia.org/wiki/Spitzer_Space_Telescope">Spitzer
Space Telescope</A> in <A href="http://science.hq.nasa.gov/kids/
imagers/ems/infrared.html">infrared light</A>, 
shows vast glowing fields of gas and dust, 
indicating that much of this dust is heated by forming stars.  
The centers of some clouds, such as the 
<A href="http://antwrp.gsfc.nasa.gov/apod/ap050521.html">snake-like structure</A> 
on the upper left, are so thick and cold that they are dark even in 
<A href="http://en.wikipedia.org/wiki/Infrared">infrared light</A>.
Many of the red dots are glowing 
<A href="http://antwrp.gsfc.nasa.gov/apod/ap030816.html">dust shrouds</A> 
centered on very young newly formed stars.  
The unusual red sphere below the snake is actually a 
<A href="http://antwrp.gsfc.nasa.gov/apod/ap051226.html">supernova remnant</A>, 
the glowing shell of a young star so massive it evolved rapidly and exploded.  
<A href="http://www.spitzer.caltech.edu/Media/releases/ssc2006-20/
ssc2006-20a.shtml">The region</A> spans about 150 light years and
lies about 10,000 
<A href="http://chandra.harvard.edu/photo/cosmic_distance.html">light years</A> 
away toward the 
<A href="http://www.astronomical.org/portal/modules/wfsection/
article.php?articleid=72">constellation of Sagittarius</A></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/9FF7645D-C603-43C5-A947-60E52B070B50/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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