Mysterious Dark Matter Possibly Detected


	Mysterious Dark Matter Possibly Detected

tabsey

4-2-2009 7:02 AM

243 views

tags:

astronomy

tabsey says:

98% of the universe and they can't find it??? Science , especially astronomy, has a long way to go!!!

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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/4c62c426-bf7a-415f-87b1-4b3cceb56405/803C28E2-C313-467B-9B1F-DB6A25EBCE0B/" 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.space.com/scienceastronomy/090401-dark-matter-annihilation.html" href="http://www.space.com/scienceastronomy/090401-dark-matter-annihilation.html" style="font-size: 11px;">www.space.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.space.com/scienceastronomy/090401-dark-matter-annihilation.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.space.com/img/BA3BE587-6BD5-4C6D-BFB2-C9ECBB3D6820" alt="" /></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.space.com/scienceastronomy/090401-dark-matter-annihilation.html"><P class="MsoNormal">When dark matter is destroyed, it leaves behind a burst of
exotic particles, according to theory. Now scientists have found a possible
signature of these remains. The discovery could help prove the existence of
dark matter and reveal what it's made of.</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.space.com/scienceastronomy/090401-dark-matter-annihilation.html"><P class="MsoNormal">No one knows what dark matter is, but scientists think it
exists because there is not enough gravity from visible matter to explain how
galaxies rotate.</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.space.com/scienceastronomy/090401-dark-matter-annihilation.html"><P class="MsoNormal">An Italian satellite called <SPAN class="b">PAMELA</SPAN>
(Payload for Antimatter Matter Exploration and Light nuclei Astrophysics), <A href="http://www.space.com/missionlaunches/060615_sensor_sat.html" linkindex="24">launched in
2006</A> to measure radiation in space, found an overabundance of particles
called positrons, which are the antimatter counterpart to electrons (<A href="http://www.space.com/scienceastronomy/antimatter_sun_030929.html" linkindex="25">matter
and antimatter</A> annihilate each other).</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.space.com/scienceastronomy/090401-dark-matter-annihilation.html">This positron signature could have a variety of causes, but
a prime candidate is dark matter,</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.space.com/scienceastronomy/090401-dark-matter-annihilation.html">When two <A href="http://www.space.com/php/video/player.php?video_id=080612-dark-matter" linkindex="27">dark
matter particles</A> collide they can sometimes destroy each other and release
a burst of energy that includes positrons.</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/803C28E2-C313-467B-9B1F-DB6A25EBCE0B/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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