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MCQAdvancedExoplanets & Planetary Systems
USAAAO — 2015 Practice Round
Question 20
Jupiter has a mass of 1.9 × 10²⁷ kg and a semimajor axis of 5.2 AU. Assume someone “out there” can resolve star positions to 10 microarcseconds. What is the maximum distance from the Sun at which the planet Jupiter could be discovered by observing the wobble of the Sun?
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