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MCQIntermediateGravitation, Orbits & Dynamics
USAAAO — 2026 First Round
Question 2
A planet of mass m orbits a star of mass M in an elliptical orbit with semi-major axis a and eccentricity e where M ≫ m. Which of the following statements is true?
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Source
USAAAO 2026 First Round, Question 2. Question text, choices, and answer were transcribed from the official USAAAO exam and solutions PDFs.