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MCQIntermediateOrbits, Gravitation & Dynamics
BAAO — 2021 Astronomy & Astrophysics Challenge
Question 9
A comet orbits the Sun with a period of 172 years and eccentricity 0.94. It is currently at a distance of 60 au away from the Sun. After which of these times will the comet be moving the fastest?
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2021. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.