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MCQAdvancedLight, Radiation & Spectroscopy
BAAO — 2022 Astronomy & Astrophysics Challenge
Question 10
Jupiter’s apparent magnitude at opposition in 2022 of m = −2.94 is the brightest for ∼ 70 years due to it happening close to Jupiter’s perihelion. What is the difference in apparent magnitude between Jupiter’s brightest and faintest possible oppositions? Jupiter has a semi-major axis of 5.20 au and an eccentricity of 0.0489. Assume the Earth’s orbit is circular.
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Source
Source: British Astronomy and Astrophysics Olympiad (BAAO), Astronomy & Astrophysics Challenge 2022. Question text, answer-choice text, and answer were transcribed from the official BAAO paper and solutions PDFs; the explanation and metadata are original.