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There is in fact wind. Only ~1% as much air as Earth, but it's sufficient to support phenomena like dust devils. https://science.nasa.gov/science-news/science-
by jessriedel 6y ago
There is in fact wind. Only ~1% as much air as Earth, but it's sufficient to support phenomena like dust devils.
https://science.nasa.gov/science-news/science-at-nasa/2005/14jul_dustdevils https://science.nasa.gov/science-news/science-at-nasa/2005/1...
Of course, it's very weak, so it couldn't push over a spacecraft or building like in "The Martian", but I suspect sands shifts on a very slow timescale. I'm not sure.
- DiogenesKynikos 6y agoThere are "dust devils" on Mars: http://www.esa.int/ESA_Multimedia/Images/2018/04/Dust_devil_on_Mars http://www.esa.int/ESA_Multimedia/Images/2018/04/Dust_devil_....
- jessriedel 6y agoYou just linked to the ESA version of my NASA link :)
- DiogenesKynikos 6y agoI think I meant to reply to the person above you.
- robotresearcher 6y agoIn the images of the post, you can see these effects of wind-driven sand and dust, such as rippled dunes.