Multiple Choice
When viewing the planets, Mars appears to move backwards, or retrograde, because___________ .
A) it is rotating around the Sun slower than Earth's rotation
B) it is rotating at approximately the same speed but its orbit is more elliptical than Earth's rotation
C) it is rotating at approximately the same speed but its orbit is more circular than Earth's orbit
D) it is rotating around the Sun faster than Earth's rotation
Correct Answer:
Verified
Correct Answer:
Verified
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