Spinning black hole is fastest on record


	Spinning black hole is fastest on record

Octane

11-20-2006 2:10 PM

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tags:

black hole, space, astronomy, science, physics

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11-20-2006 2:13 PM

Octane

They found the innermost stable orbit around GRS 1915 is so close that
the black hole must be spinning at nearly 1000 times per second – the
fastest ever recorded.

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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/b1f681c4-f685-49de-96b2-2bedde21afb3/E2320219-55FE-4686-B0B9-BD447BB8B425/" 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://space.newscientist.com/article.ns?id=dn10611&feedId=space_rss20" href="http://space.newscientist.com/article.ns?id=dn10611&feedId=space_rss20" style="font-size: 11px;">space.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://space.newscientist.com/article.ns?id=dn10611&feedId=space_rss20"><H2 class="inline">Spinning black hole is fastest on record</H2></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://space.newscientist.com/article.ns?id=dn10611&feedId=space_rss20"><P>A black hole has been found to be spinning faster than ever seen before, a new analysis suggests. The finding supports the idea that only fast-spinning stars can collapse to create powerful explosions called long gamma-ray bursts.</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://space.newscientist.com/article.ns?id=dn10611&feedId=space_rss20"><P>To measure the spin of black holes, astronomers measure the size of the discs of matter that orbit them. A spinning black hole drags space-time around with it as it spins, boosting the speed of matter in orbit around it. That allows the matter to orbit closer in without getting sucked into the black hole itself – so the faster a black hole spins, the closer matter can stably orbit around it. </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/E2320219-55FE-4686-B0B9-BD447BB8B425/blog/" title="blog or email this clip"><img src="http://content9.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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