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Impact Cratering

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Mars Express Maps Dark Deposits in Shalbatana Vallis

The sharpened topography helps scientists test ideas about floods draining toward a past northern sea.

Study Finds Shallow North-to-South Impact Shaped the Moon’s Largest Basin

NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

ESA Mars Express Reveals 'Butterfly' Crater Carved by Low-Angle Impact