Whirlwind spotted on Mars
[CLICK ON IMAGE FOR HIGH RESOLUTION, HiRISE, MRO, LPL (U. Arizona), NASA] It was late in the northern martian spring when the HiRISE camera onboard the Mars Reconnaissance Orbiter spied this local denizen. Tracking across the flat, dust-covered Amazonis Planitia in 2012, the core of this whirling dust devil is about 140 meters in diameter. […]