The sidereal month is _________.
A) the time the Moon takes to complete an orbit relative to the background stars
B) the time it takes Earth to rotate 30 times on its axis
C) the time it takes the Moon to complete an orbit relative to the Sun
D) the time between successive new moons
E) None of these choices is correct.

Question

Quizplus · Accepted Answer

The sidereal month is the time it takes for the Moon to complete one orbit around Earth relative to the background stars, approximately 27.3 days.

The Sidereal Month Is _________