Question

The lines joining the earth and the moon, the
earth and the sun are perpendicular to each
other. So how many degrees angle it makes
when the moon is in quarter moon position?
is.​

Answer 1

Explanation:

The Moon orbits Earth in the prograde direction and completes one revolution relative to the stars in about 27.32 days (a sidereal month) and one revolution relative to the Sun in about 29.53 days (a synodic month). Earth and the Moon orbit about their barycentre (common center of mass), which lies about 4,600 km (2,900 mi) from Earth's center (about 72% of its radius). On average, the distance to the Moon is about 385,000 km (