Title: Which of these was a contribution of Newton to astronomy? Post by: Tsync on Feb 9, 2016 Which of these was a contribution of Newton to astronomy?
A) The Moon pulls as strongly on us as we do on it. B) The Sun's gravity is greatest on a planet at perihelion, so the planet must speed up. C) His differential calculus lets us calculate planetary motions more accurately. D) Artificial satellites could be put into orbit about the Earth. E) All of these were due to Newton's work. Title: Re: Which of these was a contribution of Newton to astronomy? Post by: Ratatouille on Feb 9, 2016 Content hidden
Title: Re: Which of these was a contribution of Newton to astronomy? Post by: Tsync on Mar 2, 2016 This astronomy class is killing me, thanks for chiming in and answering
Title: Re: Which of these was a contribution of Newton to astronomy? Post by: Ratatouille on Mar 3, 2016 Cool :D
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