<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/1560e992-b6c8-40f4-a852-66a45d5ed937/3366CF6B-AF04-44F1-B10F-BC75ADA65B0D/" 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/image/0808/ngc6960_block_big.jpg" href="http://antwrp.gsfc.nasa.gov/apod/image/0808/ngc6960_block_big.jpg" 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/image/0808/ngc6960_block_big.jpg"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/antwrp.gsfc.nasa.gov/img/C01DAFDD-DC84-4BA5-BF6D-568DFD834252" alt="http://antwrp.gsfc.nasa.gov/apod/image/0808/ngc6960_block_big.jpg" /></div></blockquote><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://content6.clipmarks.com/images/clip-icon.gif" 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.coolscifi.com/forums/showthread.php?t=203600" href="http://www.coolscifi.com/forums/showthread.php?t=203600" style="font-size: 11px;">www.coolscifi.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.coolscifi.com/forums/showthread.php?t=203600"><DIV> <B> Explanation: </B> Ten thousand years ago, before the dawn of <A target="_blank" href="http://news.bbc.co.uk/hi/english/sci/tech/newsid_334000/334517.stm">recorded human history</A>, a new light must suddenly have appeared in the night sky and faded after a few weeks. Today we know this light was an <A target="_blank" href="http://imagine.gsfc.nasa.gov/docs/science/know_l1/supernovae.html">exploding star</A> and record the colorful expanding cloud as the <A target="_blank" href="http://antwrp.gsfc.nasa.gov/apod/ap051206.html">Veil Nebula</A>. <A target="_blank" href="http://www.caelumobservatory.com/gallery/n6960.shtml">Pictured above</A> is the west end of the <A target="_blank" href="http://antwrp.gsfc.nasa.gov/apod/ap030204.html">Veil Nebula</A> known technically as <A target="_blank" href="http://en.wikipedia.org/wiki/New_General_Catalog">NGC</A> 6960 but less formally as the <A target="_blank" href="http://antwrp.gsfc.nasa.gov/apod/ap061211.html">Witch</A>'s <A target="_blank" href="http://www.broomshop.com/history/">Broom</A> Nebula. The expanding debris cloud gains its colors by sweeping up and <A target="_blank" href="http://en.wikipedia.org/wiki/Emission_nebula">exciting existing</A> nearby gas. The <A target="_blank" href="http://antwrp.gsfc.nasa.gov/apod/supernova_remnants.html">supernova remnant</A> lies about 1400 <A target="_blank" href="http://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html">light-years</A> away towards the constellation of <A target="_blank" href="http://www.multimania.com/cdadfs/constellation/cygne/cygnus.htm">Cygnus</A>. This Witch's Broom actually spans over three times the <A target="_blank" href="http://imagine.gsfc.nasa.gov/YBA/HTCas-size/more-ang_size.html">angular size</A> of the full <A target="_blank" href="http://antwrp.gsfc.nasa.gov/apod/ap030810.html">Moon</A>. The bright star 52 <A target="_blank" href="http://www.seds.org/Maps/Stars_en/Fig/cygnus.html">Cygnus</A> is visible with the unaided eye from a dark location but unrelated to the ancient <A target="_blank" href="http://en.wikipedia.org/wiki/Supernova">supernova</A>. </DIV></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/3366CF6B-AF04-44F1-B10F-BC75ADA65B0D/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>

New from the makers of Clipmarks:  Amplify.com - Don't just share the news...Amplify it!