During a month we see only approximately half of the moon's surface. Which one of the following changes would allow us to see all of the Moon's surface during 1 month?
A)reversing the direction of the Moon's rotation about its axis
B)changing the period of Earth's motion around the Sun
C)reversing the direction of Earth's motion around the Sun
D)reversing the direction of Earth's rotation about its axis

Question

Quizplus · Accepted Answer

The Moon shows us only one side because it is tidally locked with Earth, meaning its rotation period matches its orbit period around Earth. Reversing the direction of the Moon's rotation about its axis would eventually alter this synchronous rotation, allowing us to see all of its surface over time.

During a Month We See Only Approximately Half of the Moon's