unit 1 understanding the universe 5.0 / 5 based on 4 ratings ? AstronomyearthGCSEEdexcel Created by: RhymeologyCreated on: 23-06-16 18:58 7352146 Across 1. when a planet is closest to the Sun (e.g. the Earth in January) (10) 4. The line at which the sky meets the land (7) 5. The Earth takes 23 hours and 56 minutes to rotate. 4 minutes less than 24 hours. (8, 3) 6. Greek geographer and mathematician in 3BC who first accurately measured the earth's circumference. (12) Down 2. when a planets is furthest from the Sun (e.g. the Earth in December) (8) 3. Longitude line which runs through Greenwich, London = 0' east/west (5, 8) 7. – the greatest angular separation of an inferior planet from the Sun (e.g. Venus is 45 degrees) (8, 10)
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