Moons of Mars facts for kids
Mars has two little moons, Phobos and Deimos, which are thought to be captured asteroids. They were found by Asaph Hall in 1877.
Moons
Name and how to say its name |
Image | diameter (km) | Mass (kg) | ||
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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 |
The Solar System | |||||||
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Sun • Heliosphere |
Planets ☾ = moon(s) ∅ = rings |
Mercury | Venus | Earth ☾ | Mars ☾ | ||
Jupiter ☾ ∅ | Saturn ☾ ∅ | Uranus ☾ ∅ | Neptune ☾ ∅ | ||||
Dwarf planets | Ceres | Pluto ☾ | Haumea ☾ | Makemake | |||
Eris ☾ | |||||||
Small Solar System bodies |
Asteroids (minor planets) |
Groups and families: Vulcanoids · Near-Earth asteroids · Asteroid belt Jupiter Trojans · Centaurs · Neptune Trojans · Asteroid moons · Meteoroids · Pallas · Juno · Vesta · Hygiea · Interamnia · Europa |
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See also the list of asteroids. | |||||||
Trans- Neptunians |
Kuiper belt – Plutinos: Orcus · Ixion – Cubewanos: Varuna · Quaoar · Huya |
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Scattered disc: Sedna | |||||||
Comets | Periodic comets and non-periodic comets Damocloids · Oort cloud |
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See also the list of solar system objects |
Images for kids
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Curiosity's view of the Martian moons: Phobos passing in front of Deimos – in real-time (video-gif, 1 August 2013)
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Night sky of Mars showing Deimos (left) and Phobos (right) in front of Sagittarius, as viewed by the Mars Spirit rover (26 August 2005).
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Apparent sizes of the moons of Mars, Deimos and Phobos, and the Moon as viewed from the surface of their respective planets (Mars' moons imaged by the Curiosity rover, 1 August 2013)

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Moons of Mars Facts for Kids. Kiddle Encyclopedia.