Q. ______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.
A) Sidereal year
B) Lunar year
C) Tropical year
D) Solar year
✔ Correct Answer: Sidereal year
Exam Insight
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A) Sidereal year
B) Lunar year
C) Tropical year
D) Solar year
✔ Correct Answer: Sidereal year
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