Q68
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Sidereal time is time measured with respect to the apparent motion of the 'fixed' stars in the sky due to the Earth's rotation.