本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[问答题]
State Kepler's laws.d0x*s33k8wou 6 f /k xirf8xir3 dnxxa*5mdu0k-m ce.
参考答案:
Kepler's first law: The path of each planet about the Sun is an ellipse with the Sun at one focus.
Kepler's second law: Each planet moves so that an imaginary line drawn from the Sun to the planet sweeps out equal areas in equal periods of time.
Kepler's third law: The ratio of the squares of the periods of any two planets revolving about the Sun is equal to the ratio of the cubes of their mean distances from the Sun.
本题详细解析:
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