When the Moon is in its gibbous phase, the right ascensions of the Sun and the Moon differ by
A) more than 6 hours.
B) 6 hours.
C) 0 hours.
D) less than 6 hours.

Question

Quizplus · Accepted Answer

In the gibbous phase, the Moon is more than half illuminated but not yet full. This phase occurs when the difference in right ascension between the Moon and the Sun is more than 6 hours but less than 12 hours, as it takes approximately 24 hours for the Moon to move 12 degrees and complete a full cycle of phases in about 29.5 days.

When the Moon Is in Its Gibbous Phase, the Right