http://mars.jpl.nasa.gov/mro/spotlight/20081218a.html
Full Version: MRO watching martian weather...
The dust column on Arsia Mons reminds me of old Viking and/or MGS pics : it's common phenomena oftenly seen on top of this volcano... Mars offers us a candle for XMas also... So... MERRY XMAS to you all, the UMSF forum friends, and may its brings joy and peace to you. 
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