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MCQIntermediateExoplanets & Stellar Systems
USAAAO — 2022 First Round
Question 7
Imagine the you observe transits of earth across the sun from a far away exoplanet. Assuming earth's orbit has 0 eccentricity and it transits directly across the sun's diameter (the impact parameter is 0), what is the duration of earth's transit?
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Source
USAAAO 2022 First Round. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.