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.

Moons

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

Images for kids

  • PIA17352-MarsMoons-PhobosPassesDeimos-RealTime

    Curiosity's view of the Martian moons: Phobos passing in front of Deimos – in real-time (video-gif, 1 August 2013)

  • Usno-telescope-equalized-1

    The telescope used to discover the Martian moons

  • Phobos & Deimos full thumb

    Night sky of Mars showing Deimos (left) and Phobos (right) in front of Sagittarius, as viewed by the Mars Spirit rover (26 August 2005).

  • PIA17351-ApparentSizes-MarsDeimosPhobos-EarthMoon

    Apparent sizes of the moons of Mars, Deimos and Phobos, and the Moon as viewed from the surface of their respective planets (Curiosity rover, 1 August 2013)

  • MoonsOfMarsImproved3

    Animation illustrating the asteroid-belt origin for the moons

  • PIA19396-PlanetMars-OrbitsOfMoonsAndOrbiters-20150504

    Orbits of moons and spacecraft orbiting Mars.

  • Phobos

    Phobos, with Stickney Crater on the right (2003).

  • Phobosmgs

    Phobos (1998).


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Moons of Mars Facts for Kids. Kiddle Encyclopedia.