作者: Trudy E. Bell

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1 电子书 Trudy E. Bell

William Sheehan & Trudy E. Bell: Neptune: From Grand Discovery to a World Revealed
The 1846 discovery of Neptune is one of the most remarkable stories in the history of science and astronomy.  John Couch Adams and U.J. Le Verrier both investigated anomalies in the motion of Ur …
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