Sun's Wayward Twin Discovered


	Sun's Wayward Twin Discovered

Newfman

11-13-2007 10:18 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/9ad79ca9-754b-4e90-ad44-ed9bf9f3a662/6D631EB7-4F17-4BE7-B258-B8CB84A84F78/" 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.livescience.com/space/scienceastronomy/071109-sun-twin.html" href="http://www.livescience.com/space/scienceastronomy/071109-sun-twin.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/space/scienceastronomy/071109-sun-twin.html"><SPAN>Somewhere
out there, astronomers knew the sun had another long-lost relative aimlessly
drifting through the Milky Way. Now they've found it.</SPAN></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.livescience.com/space/scienceastronomy/071109-sun-twin.html"><SPAN>Although a
happy reunion is unlikely, as the star HIP 56948 is about 200 light-years away,
it is now considered to be the best "solar twin" out of <A href="http://www.space.com/scienceastronomy/solar_twin_040107.html" linkindex="19">four known
candidates</A>.</SPAN></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.livescience.com/space/scienceastronomy/071109-sun-twin.html"><P class="MsoNormal"><SPAN>The wayward
star challenges the idea that our backyard star has a unique composition, as it
has a similarly low quantity of the element lithium--a lightweight byproduct of
the fusion reactions that power stars.</SPAN></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.livescience.com/space/scienceastronomy/071109-sun-twin.html"><SPAN>Because of
those observations, astronomers wondered if the sun's <A href="http://www.space.com/scienceastronomy/071022_mm_mysteries_sun.html" linkindex="21">low
amount of lithium</A> was unique. The newfound twin now shows that it isn't.</SPAN></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.livescience.com/space/scienceastronomy/071109-sun-twin.html"><SPAN>The solar
twins discovered at McDonald should help astronomers study the chemical
compositions of stars and back theoretical models of our sun's stellar insides
and evolution with real observations.</SPAN></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/6D631EB7-4F17-4BE7-B258-B8CB84A84F78/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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