A single asteroid impact may have dramatically reshaped Deimos, the smaller of Mars’ two moons, creating both a huge depression near its south pole and the dusty surface that covers the moon today. An international team of researchers reached this conclusion after running about 100 detailed computer simulations and comparing the results with observations from […] The post One Giant Asteroid Impact May Have Reshaped Mars’ Tiny Moon Deimos appeared first on Knowridge Science Report .