Hubble Images Solve Galactic Filament Mystery


	Hubble Images Solve Galactic Filament Mystery

mugofcoffee

8-21-2008 11:43 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://www.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/1521fb6d-4b27-44a5-9060-b618d542f6a1/D5A9F557-7B95-4A26-9C2B-9A5A009AC54C/" 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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin" href="http://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin" style="font-size: 11px;">www.nytimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.nytimes.com/img/002ED224-FA2D-44F0-8080-F19640C04240" alt="" /></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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin"><DIV>By <A title="More Articles by Kenneth Chang" href="http://topics.nytimes.com/top/reference/timestopics/people/c/kenneth_chang/index.html?inline=nyt-per">KENNETH CHANG</A></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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin"><P>A tangle of spidery filaments stretches outward from the giant elliptical galaxy NGC 1275 as if they were dendrites of an intergalactic nerve cell.</P></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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin">
<P>NGC 1275, located 235 million light-years from Earth near the center of a 
clump of galaxies known as the Perseus cluster, has posed a puzzle: How have 
these filaments, which are made of gas much cooler than the surrounding 
intergalactic cloud, persisted for perhaps 100 million years? Why haven’t they 
warmed, dissipated or collapsed to form stars?</P></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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin">Images taken by the <A 
title="Recent and archival news about the Hubble Space Telescope." 
href="http://topics.nytimes.com/top/news/science/topics/hubble_space_telescope/index.html?inline=nyt-classifier">Hubble 
Space Telescope</A></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://www.nytimes.com/2008/08/26/science/space/26galaxy.html?_r=1&oref=slogin">reveal that the filaments, about 1,500 light-years wide and hundreds of 
thousands of light-years long, are themselves made of finer threads – smaller 
structures about 200 light-years wide and 20,000 light-years long. The cold gas 
is pushed out by waves of radiation emanating from the giant black hole at the 
center of the galaxy. Small is relative, of course. Each thread contains as much 
mass as one million Suns.</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/D5A9F557-7B95-4A26-9C2B-9A5A009AC54C/blog/" title="blog or email this clip"><img src="http://content7.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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