Martian moon Deimos resembles a potato. A big asteroid strike may have shaped it
Scientists have found that Mars's outer moon, Deimos, might have been shaped by a large asteroid strike. The moon's unusual potato-like appearance has puzzled researchers trying to understand how Mars's two moons formed and ended up orbiting the planet.
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National story. 9 articles from 9 sources. Updated Aug 20, 2026.
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