Lightning without rain on Mars


	Lightning without rain on Mars

Solar Child

6-24-2009 9:53 AM

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tags:

mars, lightning, dust storm, astronomy now

Solar Child says:

"Every new look at the planet gives us a new insight."

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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://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/2dfd8678-786b-438e-9657-b869d8ccb84b/8D356E8A-ADFC-41DC-AB24-2A91CEBC4396/" 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://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html" href="http://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html" style="font-size: 11px;">astronomynow.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html"><FONT size="+2" face="VERDANA, ARIAL, HELVETICA, SANS-SERIF" color="#000033">First direct evidence of lightning on Mars </FONT></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://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html"><P>
The findings were made using an innovative microwave detector developed at the University of Michigan Space Physics Research Laboratory. The kurtosis detector is capable of differentiating between thermal and non-thermal radiation, where non-thermal radiation is associated with the presence of lightning. Between 22 May and 16 June 2006 the instrument took measurements of microwave emissions for approximately five hours each day, and on 8 June both an unusual pattern of non-thermal radiation and an intense Martian dust storm occurred, the only time that non-thermal radiation was detected.
</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://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/astronomynow.com/img/59B3F474-F8F7-4EB7-A747-1A3B00B5274B" 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://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html"><FONT size="-2" face="VERDANA, ARIAL, HELVETICA, SANS-SERIF">An illustration of a dust storm on Mars. New research suggests that intense dust storms could create electrical discharges. Image: Brian Grimm and Nilton Renno. </FONT></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://astronomynow.com/090623FirstdirectevidenceoflightningonMars.html"><P>The new findings will be published in a forthcoming issue of <EM>Geophysical Research Letters</EM>.</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/8D356E8A-ADFC-41DC-AB24-2A91CEBC4396/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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