<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/7021b5e7-8a5c-4759-b095-63763121d6f2/961CA057-FFE1-4BE6-8C33-34A754BF0C45/" 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.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html" href="http://www.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.newscientist.com/img/93B25852-672E-4908-BC60-955D129D3B89" alt="This artist's concept shows a gas giant planet orbiting the cool red dwarf star Gliese 876 (Image: G Bacon (STScI) / NASA)" /></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.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html"><P>ALIEN worlds that are friendly to life could reveal themselves by radio signals crackling from their magnetic fields.</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.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html"><P>When struck by high energy particles in the solar wind, an exoplanet's magnetic field may produce radio signals from auroras in the planet's atmosphere. While current telescopes have yet to pick up these crackles, it's an area worth exploring, argue Joseph Lazio at the Naval Research Laboratory in Washington DC and colleagues in <A target="nsarticle" href="http://xxx.lanl.gov/abs/0903.0873">a paper</A> submitted to <A target="nsarticle" href="http://www7.nationalacademies.org/bpa/Astro2010.html"><I>Astro2010</I></A>.</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.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html"><P>Because a magnetic field helps to preserve atmospheres and oceans, a magnetosphere may signify that a planet has complex surface life. "This is something we think is worth studying at a modest level," says Lazio, "the payoff could be immense."</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.newscientist.com/article/mg20127005.700-lifefriendly-worlds-may-snap-crackle-and-pop.html"><P>The snag is that we would need a space telescope 100 times as sensitive as any planned to find auroras within a few dozen light years, because the Earth's atmosphere would absorb the low frequency signals.</P></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/961CA057-FFE1-4BE6-8C33-34A754BF0C45/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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