Mars has two little moons called Phobos and Deimos. They are thought to be captured asteroids.[1] They were found by Asaph Hall in 1877.[2]
Name and how to say its name |
Image | diameter (km) | Mass (kg) | ||
---|---|---|---|---|---|
Mars I | Phobos | /ˈfoʊbəs/ FOE-bəs |
22.2 km (27×21.6×18.8) | 1.08×1016 | |
Mars II | Deimos | /ˈdaɪməs/ DYE-məs |
12.6 km (10×12×16) | 2×1015 |
Moons | ||
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Surface features | ||
Atmosphere and climate | ||
Exploration | ||
Other |