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MCQIntermediateGravitation, Orbits & Dynamics
USAAAO — 2025 First Round
Question 19
Which of the following statements CANNOT be inferred from Kepler’s laws of motion? I: A planet moves in an elliptical orbit around the Sun. II: The eccentricities of the orbits of all solar system planets are small. III: A solar system planet has its highest tangential velocity when it is closest to the Sun. IV: All planets move in elliptical orbits in roughly the same plane around the Sun.
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Source
USAAAO 2025 First Round, Question 19. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.