Multiple Choice
Why is one phase of the Moon called "third quarter"?
A) because three-quarters of the visible surface is illuminated
B) because three-quarters of the entire surface is illuminated
C) because the third quarter (i.e., half of the back side not visible from Earth) is illuminated
D) because the Moon is three-quarters of the way through its cycle, New Moon to New Moon
Correct Answer:

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Correct Answer:
Verified
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