Moons of Mars

From Simple English Wikipedia, the free encyclopedia
Phobos (top) and Deimos (bottom).

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]

Moons[change | change source]

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

References[change | change source]

  1. ↑ John P. Millis. "Mars Moon Mystery". Archived from the original on 2018-12-26. Retrieved 2013-12-07.
  2. ↑ "The Planet Mars: A History of Observation and Discovery. Chapter 5: 1877. University of Arizona Press". Uapress.arizona.edu. Archived from the original on 2017-11-03. Retrieved 2013-02-28.


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