[Science] How Martian clouds create snowfall


	[Science] How Martian clouds create snowfall

Laxon

7-5-2009 2:13 AM

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tags:

coulds, martian, snow, snowfall

Laxon says:

A very interesting read. To me this is indicating a distinct water cycle, although minor it means that there is a chance it was once a very dominant thing on the planet.

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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/5042c2a0-7b4a-4acb-b4d5-f4d3223aae3f/B3A46F28-6CC9-45D8-A764-E7C954321444/" 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.msnbc.msn.com/id/31713000/ns/technology_and_science-space/" href="http://www.msnbc.msn.com/id/31713000/ns/technology_and_science-space/" style="font-size: 11px;">www.msnbc.msn.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/31713000/ns/technology_and_science-space/"><P class="textBodyBlack"><SPAN id="byLine"></SPAN><B><STRONG>...And snow<BR /></STRONG></B>The snow didn't come until close to the end of the mission. It too is similar to the snow that falls to the ground at <A href="http://www.livescience.com/environment/080523-earth-mars-poles.html">Earth's poles</A>, sometimes called "diamond dust." Whiteway describes it as "ice crystals sparkling in the air."</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.msnbc.msn.com/id/31713000/ns/technology_and_science-space/"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>The observations show that "precipitation is a component of the hydrologic cycle" on Mars, which was not suspected before the Phoenix mission, Whiteway said.</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.msnbc.msn.com/id/31713000/ns/technology_and_science-space/"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>How the finding might impact our understanding of the global Mars water cycle — both now and in the distant past, when the planet is suspected to have been warmer and wetter — is not yet known.</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.msnbc.msn.com/id/31713000/ns/technology_and_science-space/"><P class="textBodyBlack"><SPAN id="byLine"></SPAN>The new information can be used to modify Martian climate models, which currently don't feature these newly discovered clouds and precipitation, "and then we'll see what the implications are," Whiteway said.</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.msnbc.msn.com/id/31713000/ns/technology_and_science-space/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.msnbc.msn.com/img/5DB755F7-1FBC-43A1-BD1D-87112F7B60F7" alt="Image: Martian clouds" /></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/B3A46F28-6CC9-45D8-A764-E7C954321444/blog/" title="blog or email this clip"><img src="http://content8.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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