Transcription: The two moons of Mars, Phobos and Deimos, are very small and difficult to detect from Earth. Both of the satellites are dim asymmetrical bodies which appear to be captured asteroids from the nearby main asteroid belt. Phobos orbits less than 3,700 miles above the surface of Mars and has an orbital period of 7 hours and 39 minutes. Nonetheless, It is a small body with low reflectivity and appears less than half the diameter of the Earth's moon in the Martian sky. Phobos is an irregular shaped body stretching 17 miles at its longest diameter. The moon is heavily cratered as well as covered with ...
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