Moons of Mars
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]
Phobos (top) and Deimos (bottom).
Moons
| Name and how to say its name |
Image | diameter (km) | Mass (kg) | ||
|---|---|---|---|---|---|
| Mars I | Phobos | /ˈfoʊbəs/ FOE-bəs |
.jpg.webp){kind=small} |
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
- John P. Millis. "Mars Moon Mystery". Archived from the original on 2018-12-26. Retrieved 2013-12-07.
- "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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