Which one of the following is the time required for the Earth to return to a given point in its orbit with reference to fixed star, called?

A. Lunar year

B. Solar year

C. Tropical year

D. Sideral year

Answer: Option D

Solution(By Examveda Team)

Sidereal time is time measured with respect to the apparent motion of the 'fixed' stars in the sky due to the Earth's rotation.