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Question 30709
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Gravitation: Kepler's First Law MCQ

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Kepler's First LawEasyQuestion 30709

Question

Kepler's first law states:
  1. A
    Planets move in elliptical orbits with the Sun at one focus
    Correct
  2. B
    Equal areas are swept in equal times
  3. C
    T² ∝ r³
  4. D
    Planetary speed is constant

Correct answer

Planets move in elliptical orbits with the Sun at one focus

Explanation

Kepler's 1st law (Law of Orbits): each planet orbits the Sun in an ellipse, with the Sun at one of the two foci.

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