Alien life on earth?

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	Alien life on earth?

kkcapricorn

2-16-2009 6:29 PM

218 views

tags:

biosphere, astrobiology, weird-life

kkcapricorn says:

We are all connected in one way or another.

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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/bfeaba3c-8e0e-4f7c-804e-203734a54c93/D7FC485A-FBEB-4CE9-90C2-D3FA0AA0B448/" 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://blog.wired.com/wiredscience/2009/02/aliensonearth.html" href="http://blog.wired.com/wiredscience/2009/02/aliensonearth.html" style="font-size: 11px;">blog.wired.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://blog.wired.com/wiredscience/2009/02/aliensonearth.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/blog.wired.com/img/0FBC2680-5EA2-432B-AAA2-CCAAC0F11243" alt="Weirdlife" /></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://blog.wired.com/wiredscience/2009/02/aliensonearth.html"><P>"If life did happen many times, there could be something like a shadow biosphere that either was, or is, all around us," Arizona State Univeristy astrobiologist <A href="http://cosmos.asu.edu/">Paul Davies</A> said here Sunday at the American Association for the Advancement of Sciences meeting. "It's entirely possible that some fraction of microbial life could turn out to be alien or 'weird' life as we prefer to call it."</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://blog.wired.com/wiredscience/2009/02/aliensonearth.html"><P>Davies' contention challenges the relatively accepted orthodoxy that life arose once on Earth and colonized the entire planet. This weird life would the best possible analog for extraterrestrial life. Finding it, or even creating it in a laboratory, would give researchers clues about both how life began on Earth and how common life is on other planets. If a second sample of life on Earth exists, it would raise the probability for extraterrestrial life and help provide knowledge about other plausible structures for life in the universe. </P></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/D7FC485A-FBEB-4CE9-90C2-D3FA0AA0B448/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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