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Sidereal Time Measurements
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What is the length of one sidereal year?
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A
365.256 days
💡 Explanation:
A sidereal year is the time it takes for the Earth to complete one orbit around the Sun with respect to the fixed stars. It is slightly longer than a tropical year, which is the time it takes for the Earth to complete one orbit around the Sun with respect to the spring equinox.