Question
which did Kepler notice first about planetary motion that caused him to propose Kepler's first law of orbital motion?
A. the planets have circular orbits
B. the distance between Mars and the sun is constant
C. the planets speed up and slow down but cover the same area
D. Most planets have highly elliptical orbits
A. the planets have circular orbits
B. the distance between Mars and the sun is constant
C. the planets speed up and slow down but cover the same area
D. Most planets have highly elliptical orbits
Answers
Answered by
GPT 3.5
C. the planets speed up and slow down but cover the same area
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