Steamy Solar System


	Steamy Solar System

amgumen

12-3-2007 10:30 PM

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tags:

science, space, interesting

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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/b83e583f-20ec-4201-b082-a415d416ed0b/AE8C34D3-5D30-4106-B1FD-94A526F5BC48/" 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.nasa.gov/multimedia/imagegallery/image_feature_966.html" href="http://www.nasa.gov/multimedia/imagegallery/image_feature_966.html" style="font-size: 11px;">www.nasa.gov</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nasa.gov/multimedia/imagegallery/image_feature_966.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.nasa.gov/img/5FB21FCF-B6B5-4C40-99C4-54B64F6A8750" alt="NGC 1333-IRAS 4B system" /></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.nasa.gov/multimedia/imagegallery/image_feature_966.html">Stars are born out of icy cocoons of gas and dust in this diagram illustrating the earliest journeys of water in a young, forming star system. As the cocoon collapses under its own weight in an inside-out fashion, a stellar embryo forms at the center, surrounded by a dense, dusty disk. The stellar embryo "feeds" from the disk for a few million years, while material in the disk begins to clump together to form planets.</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.nasa.gov/multimedia/imagegallery/image_feature_966.html"> NASA's Spitzer Space Telescope was able to probe a crucial phase of this stellar evolution -- a time when the cocoon is vigorously falling onto the pre-planetary disk. The infrared telescope detected water vapor as it smacks down on a disk circling a forming star called NGC 1333-IRAS 4B. This vapor started out as ice in the outer envelope, but vaporized upon its arrival at the disk.</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.nasa.gov/multimedia/imagegallery/image_feature_966.html"><DIV> By analyzing the water in the system, astronomers also were able learn about other characteristics of the disk, such as its size, density and temperature.</DIV></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/AE8C34D3-5D30-4106-B1FD-94A526F5BC48/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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