Close-up image of Deimos, the smaller of Mars' two moons. This potato-shaped moon is only 9 miles across and was discovered in 1877, though its existence was predicted much earlier by Johannes Kepler. The surface shows numerous craters.

Astronomy Picture from 15/11/1998

Deimos: A Small Martian Moon

Source: https://apod.nasa.gov/apod/ap981115.html


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