Multiple Choice
What is the ratio of the light energy that falls on a unit area of Mercury's surface compared to that falling on a unit area of Earth's Moon if Mercury is at 0.4 au and the Moon is at 1.0 au from the Sun?
A) 1
B) 6.25
C) 2.5
D) 16
Correct Answer:
Verified
Correct Answer:
Verified
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