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MCQBeginnerOrbits, Gravitation & Dynamics
BAAO — 2017 Astronomy & Astrophysics Challenge
Question 8
If a planet orbits the Sun with a semi-major axis of 4 AU, what is the period of its orbit?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2017. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.