Geography · Astronomy
How does the duration of a sidereal day compare to a mean solar day?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is about 4 minutes shorter than a mean solar day.✓
- 2It varies dynamically by 15 minutes depending on the season.
- 3It is exactly the same length as a mean solar day.
- 4It is about 4 minutes longer than a mean solar day.
Correct answer
It is about 4 minutes shorter than a mean solar day.
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