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killian killian
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10 years ago
According to what we now know from Newton's laws, which of the following best explains why Kepler's second law is true?
A) A planet's total orbital energy must be conserved as it moves around its orbit.
B) Orbits must be elliptical in shape.
C) Gravity is an inverse cube law.
D) This effect happens because of the influence of other planets on a particular planet's orbit.
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padrepadre
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killian Author
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10 years ago
Thanks sir

this is for my astronomy class
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