P7 further physics solar day/sidereal day 2.5 / 5 based on 8 ratings ? PhysicsAstronomyGCSEAll boards Created by: MeCreated on: 31-05-11 19:04 A sidereal day is: The time taken for the Earth to rotate once on it 1 of 4 The time taken for the Earth to rotate once on it's axis is: 23 hours 54 minutes 2 of 4 The moon orbits the Earth in: about 28 days 3 of 4 The moon travels across the sky in about: 25 hours 4 of 4
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