Picture of Martian Dust Devil

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	Picture of Martian Dust Devil

ColoradoRight

7-20-2007 5:42 PM

921 views

tags:

space, mars, weather

ColoradoRight says:

It is astonishing what we can sit at our desks and see.

1 Comment |

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7-21-2007 7:37 AM

syncopath

astonishing indeed

& just raise higher the Q do we see far enough...? -)

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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/72eb4834-383a-455b-8dac-45063eef5ec0/CB12BA7E-6EF4-41CE-A858-B1CD34B855B1/" 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.universetoday.com/" href="http://www.universetoday.com/" style="font-size: 11px;">www.universetoday.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.universetoday.com/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.universetoday.com/img/5A32952F-2D18-4C6D-A9AB-AFCBB2EA2FD6" alt="Martian dust devil. Image credit: NASA/JPL/HiRISE" /></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.universetoday.com/"><P>Here's a cool picture of a Martian dust devil, captured by the HiRISE camera on the Mars Reconnaissance Orbiter. This little dust devil has nothing to do with <A href="http://www.universetoday.com/2007/07/20/dust-storm-threatens-the-martian-rovers/">the dust storm</A> that's currently ravaging the Red Planet. The image was captured about a month ago in the southern hemisphere, near Hellas Planitia during the Martian mid-afternoon. </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.universetoday.com/"><P>Dust devils like this form when the temperature on the ground is much warmer than the air above. The hot air rises, and then in the right conditions, starts to twist into a vortex that sucks in more warm air. If the vortex can get strong enough, it'll suck dust off the ground, and create a dust devil.</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.universetoday.com/"><P>From this vantage point, the dust devil appears to be about 200 metres (660 feet) across, but it's probably much smaller where it touches the surface of Mars. Seen from the ground, it would look like a dusty tornado reaching about 500 metres (1,600 feet) high.</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/CB12BA7E-6EF4-41CE-A858-B1CD34B855B1/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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