How and why does a day measured with respect to the Sun differ from a day measured with respect to the stars?

Question

Roberto Watkins

Physics

1 November, 06:35

How and why does a day measured with respect to the Sun differ from a day measured with respect to the stars?

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Answers (1)

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Maci Preston · Answer 1

A day measured with respect to the sun differ from a day measured with respect to star by 4 minutes. This is because, it takes 4 minutes for the Earth to rotate the extra amount required for the Sun to return to the same place in the sky.

Explanation:

A day measured with respect to the sun differ from a day measured with respect to star by 4 minutes. This is because, it takes 4 minutes for the Earth to rotate the extra amount required for the Sun to return to the same place in the sky.

Each day that goes by, the Earth needs to turn a little further for the sun to return to the same place in the sky. And that extra time is about 4 minutes or 240 seconds.