Earth seen in gamma rays


	Earth seen in gamma rays

skwirlinator

5-3-2008 12:48 PM

237 views

tags:

earth, gamma rays, space

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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/5b046c18-045e-4d65-bfe1-c9d7a9f9f26b/BE1CB148-D638-44AF-8D5B-7CF4F386FC78/" 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.redorbit.com/modules/imglib/download.php?Url=/modules/imagegallery/gallery_images/0_aedf596379dae5af721b4b98704a01ec.jpg" href="http://www.redorbit.com/modules/imglib/download.php?Url=/modules/imagegallery/gallery_images/0_aedf596379dae5af721b4b98704a01ec.jpg" style="font-size: 11px;">www.redorbit.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/modules/imglib/download.php?Url=/modules/imagegallery/gallery_images/0_aedf596379dae5af721b4b98704a01ec.jpg"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.redorbit.com/img/F68795FD-DC53-4F5C-A060-C7011F6E9DA4" alt="http://www.redorbit.com/modules/imglib/download.php?Url=/modules/imagegallery/gallery_images/0_aedf596379dae5af721b4b98704a01ec.jpg" /></div></blockquote><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://content8.clipmarks.com/images/clip-icon.gif" 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.redorbit.com/images/images-of-the-day/img/7255/gammaray_earth/index.html" href="http://www.redorbit.com/images/images-of-the-day/img/7255/gammaray_earth/index.html" style="font-size: 11px;">www.redorbit.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.redorbit.com/images/images-of-the-day/img/7255/gammaray_earth/index.html"><H1><A target="_blank" href="http://www.redorbit.com/modules/imglib/download.php?Url=/modules/imagegallery/gallery_images/0_aedf596379dae5af721b4b98704a01ec.jpg">Gamma-Ray Earth</A></H1></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.redorbit.com/images/images-of-the-day/img/7255/gammaray_earth/index.html">The pixelated planet above is actually our own planet Earth seen in gamma rays - the most energetic form of light. In fact, the gamma rays used to construct this view pack over 35 million electron volts (MeV) compared to a mere two electron volts (eV) for a typical visible light photon. The Earth's gamma-ray glow is indeed very faint, and this image was constructed by combining data from seven years of exposure during the life of the Compton Gamma Ray Observatory, operating in Earth orbit from 1991 to 2000. Brightest near the edge and faint near the center, the picture indicates that the gamma rays are coming from high in Earth's atmosphere. The gamma rays are produced as the atmosphere interacts with high energy cosmic rays from space, blocking the harmful radiation from reaching the surface. </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/BE1CB148-D638-44AF-8D5B-7CF4F386FC78/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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