Diamonds in the Sky


	Diamonds in the Sky

tabsey

11-26-2007 8:24 AM

276 views

tags:

science

tabsey says:

Mostly too small to harvest, or the space race could pay for itself.

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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/6f26dcf0-3cc0-4834-9d39-c9d6824e5fd0/4B5DE0EA-2E7D-4B20-AB1C-C461819D4526/" 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/searchforlife/071115-seti-stars-diamonds.html" href="http://www.space.com/searchforlife/071115-seti-stars-diamonds.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/searchforlife/071115-seti-stars-diamonds.html"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.space.com/img/D61DDA3C-CB68-4A3D-91BB-80A5C9A00144" 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/searchforlife/071115-seti-stars-diamonds.html"><SPAN>Twinkling
stars are often compared with diamonds, sparkling and bright. Stars are made
almost entirely of hydrogen and helium with traces of other elements; diamonds
are made of carbon. However, there are real diamonds in the sky, and they
derive from the fiery furnaces that make stars shine. As stars fuse lighter
elements, releasing energy, carbon is produced along with other elements via
nuclear fusion. Eventually, a portion of these elements is released into the
interstellar medium when stars die. Astronomers find carbon compounds
throughout the interstellar medium including diamonds, the most compressed form
of carbon. How do we know that there are diamonds in the sky? By comparing the
astronomical spectra with laboratory spectra and calculated models of emission
and absorption spectra. </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/4B5DE0EA-2E7D-4B20-AB1C-C461819D4526/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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