This is a comparison of Gaspra (top) with Mars' two satellites, Deimos (lower left) and Phobos (lower right).
NASA
This is a comparison of Gaspra (top) with Mars' two satellites, Deimos (lower left) and Phobos (lower right).
NASA
This is a comparison of Gaspra (top) with Mars' two satellites, Deimos (lower left) and Phobos (lower right).
NASA
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