Does black holes really exist?

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	Does black holes really exist?

thalliume

6-20-2007 4:15 AM

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tags:

science

thalliume says:

when will we know about the absolute truth?

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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/6820c428-610e-4681-abc3-fab081d7c7bc/40E4AC10-0F67-43E3-B4FC-CC42E5B0A8FD/" 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=dn12089&feedId=online-news_rss20" href="http://space.newscientist.com/article.ns?id=dn12089&feedId=online-news_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=dn12089&feedId=online-news_rss20"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/space.newscientist.com/img/A28406B9-97FB-4161-9B8A-1B25BBBAA7DE" alt="The conventional view of a black hole includes an " /></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://space.newscientist.com/article.ns?id=dn12089&feedId=online-news_rss20"><P>One possibility researchers have proposed in the past is that the information does leak back out again slowly. It may be <A href="http://www.newscientist.com/channel/fundamentals/mg19225751.200-the-elephant-and-the-event-horizon.html" linkindex="30">encoded</A> in a hypothetical flow of particles called Hawking radiation, which is thought to result from the black holes' event horizons messing with the <A href="http://www.newscientist.com/channel/fundamentals/dn8738-sights-set-on-quantum-froth.html" linkindex="31"></A> quantum froth that is ever-present in space.</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=dn12089&feedId=online-news_rss20"><P>They find that the gravity of the collapsing mass starts to disrupt the quantum vacuum, generating what they call "pre-Hawking" radiation. Losing that radiation reduces the total mass-energy of the object – so that it never gets dense enough to form an event horizon and a true black hole. "There are no such things", Vachaspati told <B>New Scientist</B>. "There are only stars going toward being a black hole but not getting there."</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/40E4AC10-0F67-43E3-B4FC-CC42E5B0A8FD/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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