Discussion :: Universe
- The exact time taken by the earth for single rotation on its own axis is ________
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Answer : Option D
Explanation :
It's the time it takes for a distant star to return to the same position in the sky, and it differs from the solar day because the Earth revolves around the Sun as it rotates on its own axis; there is one more sidereal day than solar day each year. A sidereal day is approximately 23 hours, 56 minutes, 4.0916 seconds.
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