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<table border="0" cellpadding="3" cellspacing="1" width="100%" class="forumline"> <tr> <th class="thCornerL" width="22%" height="26">Author</th> <th class="thCornerR">Message</th> </tr> <tr> <td width="22%" align="left" valign="top" class="row1"><span class="name"><a name=""></a><b>cheapbag214s</b></span></td> <td class="row1" height="28" valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><img src="http://picsrv.fora.pl/Aeolus/images/icon_minipost.gif" width="12" height="9" alt="Post" title="Post" border="0" /><span class="postdetails">Posted: Sun 12:54, 03 Nov 2013<span class="gen"> </span> Post subject: which does not form on Earth</span></td> </tr> <tr> <td colspan="2"><hr /></td> </tr> <tr> <td colspan="2"><span class="postbody">Fossil bacteria may have "recorded" supernova 2.2 million years ago <br />DENVER, April 15 () -- Samples from the Pacific Ocean floor may hold the signature of a distant supernova that bathed the Earth with high energy millions of years ago,[url=http://www.ldike.com/]michael kors handbags outlet[/url], scientists say.Shawn Bishop, a physicist at the Technical University of Munich in Germany, said sediment in a deep-sea core may hold traces of radioactive iron spewed by a supernova 2.2 million years ago, preserved in the fossilized remains of iron-loving bacteria.Addressing a meeting of the American Physical Society in Denver, Bishop said if his findings are confirmed it would be the first biological signature of a specific exploding star.The sediment core contained the isotope iron-60,[url=http://www.smislam.com/]Cheap Christian Louboutin[/url], which does not form on Earth, and scientists said the source was likely a supernova in our cosmic neighborhood, the journal Nature reported Monday.While the levels of iron-60 are low, the only place they seem to appear is in sea floor layers dated to around 2.2 million years ago, the researchers said.The iron-60 could have been gathered by certain species of bacteria that accumulates and concentrates iron from its environment, as radioactive supernova debris showered on them from the atmosphere after crossing inter-stellar space at nearly the speed of light, they said.</span></td> </tr> </table></td> </tr> <tr> <td colspan="2" height="1" class="spaceRow"><img src="http://picsrv.fora.pl/Aeolus/images/spacer.gif" alt="" width="1" height="1" /></td> </tr> </table>
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