| 单词 | Kepler's second law |
| 释义 | Kepler's second law (once / 337695 pages) n WORD FAMILY Kepler's second law USAGE EXAMPLESThat is the moral of Kepler's second law. Lodge, Oliver, Sir, Pioneers of Science(2010) In accordance with Kepler's second law, the velocity of the planet must exhibit corresponding changes. Ball, Robert S. (Robert Stawell), Sir, The Story of the Heavens(2010) n a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times Kepler's second law means that a planet's orbital speed changes with its distance from the sun Syn|Hyper law of areas, law of equal areas Kepler's law, Kepler's law of planetary motion (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler |
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