If a moon has a retrograde orbit then it:
A) orbits in the opposite direction than its planet rotates
B) orbits in the opposite direction than its planet revolves around the Sun
C) orbits in a clockwise direction as viewed from the planet's north pole
D) A and C
E) all of the above

Question

Quizplus · Accepted Answer

A moon with a retrograde orbit means that it orbits in the opposite direction than its planet rotates. This also means that the moon orbits in a clockwise direction as viewed from the planet's north pole. Therefore, options A and C are correct. Option B is incorrect because the direction of a moon's orbit is independent of the direction of the planet's orbit around the Sun.

If a Moon Has a Retrograde Orbit Then It