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One in Three Stars May Have Super Planet Earths
lixjannet
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6-17-2008 10:25 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/3cf019bf-d225-48b8-a0a9-a9214c0bdace/9CC2A0AC-061A-4463-9F04-88D9E1CA0E9C/" 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.sciam.com/article.cfm?id=many-stars-may-have-super-earths" href="http://www.sciam.com/article.cfm?id=many-stars-may-have-super-earths" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=many-stars-may-have-super-earths"><P>The most detailed survey yet of planets orbiting nearby stars indicates that a full 30 percent of them may harbor jumbo versions of our own planet. Astronomers who presented the finding this week at an international conference also <A href="http://www.eso.org/public/outreach/press-rel/pr-2008/pr-19-08.html">announced</A> they had discovered a star system bearing three such super-Earths—potentially rocky planets up to 10 times as massive as our own.</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.sciam.com/article.cfm?id=many-stars-may-have-super-earths"><P>Both results come from the <A href="http://www.ls.eso.org/lasilla/sciops/3p6/harps/index.html">HARPS</A> (High Accuracy Radial velocity Planet Searcher) instrument at the European Southern Observatory on La Silla mountain in Chile, which looks for tiny changes in the color of starlight that indicate the star is wobbling under the sway of an orbiting planet. The frequency and strength of the wobbles tells researchers the approximate mass of the planet, its distance from the star and the time it takes to complete an orbit.</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.sciam.com/article.cfm?id=many-stars-may-have-super-earths"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.sciam.com/img/C7BFA153-C188-4AF7-AF71-1E2D4E52422C" alt="super-Earths" /></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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/9CC2A0AC-061A-4463-9F04-88D9E1CA0E9C/blog/" title="blog or email this clip"><img src="http://content8.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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