开普勒运动
- 网络Keplerian motion
开普勒运动-
开普勒运动的不变性
Invariance of Kepler motion
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在此基础上定义相干态，并证明力学量坐标和动量对相干态的平均，给出经典开普勒运动轨道。
The coherent states are defined , for which the expectation values of the position and the momentum are shown to give the classical Kepler orbits .
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（天文）开普勒三个天体运动定律之一。
( astronomy ) one of three empirical laws of planetary motion stated by Johannes Kepler .
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2009年启用的开普勒望远镜根据恒星运动到太阳前方附近轨道时造成恒星反射的微弱光观察到了超过10万颗恒星。
Launched in 2009 , Kepler watched more than 100000 stars , looking for tiny dips in a star 's brightness caused by orbiting planets when they pass in front of their sun .