Moons of Mars

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Phobos (top) and Deimos (bottom).

Mars has two little moons, Phobos and Deimos, which are thought to be captured asteroids.[1] They were found by Asaph Hall in 1877.[2]

Moons[change | change source]

Name and how to say
its name
Image diameter (km) Mass (kg)
Mars I Phobos /ˈfoʊbəs/
FOE-bəs
Phobos moon (large).jpg
22.2 km (27×21.6×18.8) 1.08×1016
Mars II Deimos /ˈdaɪməs/
DYE-məs
Deimos-viking1.jpg
12.6 km (10×12×16) 2×1015

References[change | change source]