Solar Sailing in Space


	Solar Sailing in Space

wildcat

7-25-2008 7:40 AM

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tags:

nasa, sattelite, light particles, solar sails

wildcat says:

The concept of solar sailing was invented in the 1920s by two Russian scientists, and it has been the subject of a few projects over the years, says Louis Friedman, the executive director of the Planetary Society, a public space organization based in Pasadena, CA

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7-26-2008 9:05 AM

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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/a0815515-60eb-4951-b8cb-a0483c8e1e32/9A7A632B-A70D-41D1-88AA-F434CE89513B/" 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.technologyreview.com/Energy/21122/" href="http://www.technologyreview.com/Energy/21122/" style="font-size: 11px;">www.technologyreview.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.technologyreview.com/Energy/21122/"><P id="dek">NASA prepares to test a satellite that can be propelled by light particles from the sun. </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.technologyreview.com/Energy/21122/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.technologyreview.com/img/6E4A155A-F463-4FCC-8585-8207656774EF" 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.technologyreview.com/Energy/21122/"><P>For the first time, NASA is preparing to send into orbit a small satellite that can be propelled by solar sails. When light particles from the sun strike the surface of the sail, the energy is transferred to it, providing a propulsive force that moves the satellite through 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://www.technologyreview.com/Energy/21122/"><P>NASA's goal is to test the complex deployment mechanism of the 10-square-meter sails, says Dean Alhorn, an engineer at NASA's <A target="_blank" href="http://www.nasa.gov/centers/marshall/home/index.html">Marshall Space Flight Center</A>, in Huntsville, AL, and the lead engineer on the project. "A successful flight will not only make for a unique historical event, but will show that we have a reliable mechanism to deploy a solar sail in space for future missions," says Alhorn. </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.technologyreview.com/Energy/21122/">The satellite, called <A target="_blank" href="http://www.nasa.gov/mission_pages/smallsats/nanosaild.html">NanoSail-D</A>, is scheduled to launch from Omelek Island, in the Pacific Ocean, on July 29 onboard the <A target="_blank" href="http://www.spacex.com/falcon1.php">Falcon 1</A> rocket</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/9A7A632B-A70D-41D1-88AA-F434CE89513B/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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