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Moons of Mars facts for kids

Kids Encyclopedia Facts
Phobos deimos diff
Phobos (top) and Deimos (bottom).

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


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

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Moons of Mars Facts for Kids. Kiddle Encyclopedia.