Multiple Choice
Our Moon raises tidal bulges on Earth and as a consequence is being pulled gradually away from Earth.Phobos raises tidal bulges on Mars and as a consequence is being pulled gradually toward Mars.Why this difference?
A) Phobos orbits Mars with a shorter period than Mars itself rotates.
B) Phobos is in a polar orbit rather than an equatorial orbit.
C) Phobos is in a retrograde orbit.
D) Phobos is in a highly eccentric orbit.
Correct Answer:

Verified
Correct Answer:
Verified
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