We see Martian dust devils (whirlwinds) from the ground, as in this shot from the Opportunity rover in 2016, left. From space, we can see the tracks they leave behind, as in this view of dunes from Mars Reconnaissance Orbiter in 2009, right. More: https://go.nasa.gov/3AfnmJ9 #NASAMars http://nitter.net/NASAMars/status/1561886047331487744#m