The six-wheeled geologist spotted the twister as part of an atmospheric exploration of Jezero Crater. The lower portion of a Martian dust devil was captured moving along the western rim of Mars’ Jezero Crater by NASA’s Perseverance rover on August 30, 2023, the 899th Martian day, or sol, of the m
NASA’s Perseverance rover captured this Martian dust devil moving east to west at a clip of about 12 mph along a location called “Thorofare Ridge” in the Jezero Crater on August 30. Credit: NASA/JPL-Caltech
Much weaker and generally smaller than Earth’s tornadoes, dust devils are one of the mechanisms that move and redistribute dust around Mars. Scientists study them to better understand the Martian atmosphere and improve their weather models. Using data from the imagery, mission scientists determined that this particular dust devil was about 2.5 miles away, at a location nicknamed “Thorofare Ridge,” and moving east to west at about 12 mph . They calculated its width to be about 200 feet . And while only the bottom 387 feet of the swirling vortex are visible in the camera frame, the scientists could also estimate its full height.
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