<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/e9cf3ed9-04f4-4622-bec7-aae630b98bf7/7372551F-7FE3-4BEA-90A9-6A6BD932E41D/" 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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/" href="http://www.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/" style="font-size: 11px;">www.universetoday.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.universetoday.com/img/B2DF5027-39C4-4B99-97A8-95BAE23D93EB" alt="betelgeuse2" /></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://www.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/"><P>The <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/stars/red-supergiant-star/">red supergiant</A> star Betelgeuse is undoubtedly enormous. But it’s shrinking, and astronomers aren’t sure why.</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">Researchers at the University of California at Berkeley have been monitoring the star by aiming the Infrared Spatial Interferometer, atop Mt. Wilson in Southern California, toward the star’s home in the constellation <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/constellations/orion/">Orion</A>. Since 1993, Betelgeuse (pictured in a NASA image at left) has shrunk in diameter by more than 15 percent.</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.universetoday.com/img/B5075CC3-AEF4-4F25-9F7F-CCB65D67EF5A" alt="betelgeuse1" /></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://www.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">Betelgeuse is so big that in our solar system it would reach to the orbit of <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/jupiter/">Jupiter</A>. </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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/"> Its measured shrinkage means the star’s radius has shrunk by a distance equal to the <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/venus/orbit-of-venus/">orbit of Venus</A>.</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">we do not know why the star is shrinking</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">Considering all that we know about <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/galaxies/">galaxies</A> and the distant universe, there are still lots of things we don’t know about <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/stars/">stars</A>, including what happens as <A rel="external" title="" class="alinks_links" href="http://www.universetoday.com/guide-to-space/stars/red-giant-star/">red giants</A> near the ends of their lives</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">Whenever you look at things with more precision, you are going to find some surprises</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.universetoday.com/2009/06/09/the-case-of-the-incredible-shrinking-star/">very fundamental and important new things</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/7372551F-7FE3-4BEA-90A9-6A6BD932E41D/blog/" title="blog or email this clip"><img src="http://content6.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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