Kepler's third law states that the squares of the sidereal periods of revolution of the planets are directly proportional to the cubes of their mean distances from the Sun.
开普勒第三定律指出，行星公转周期的平方与它们到太阳的平均距离的立方成正比。
| 单词 | Sidereal period |
| 释义 |
Sidereal period
原声例句
大英百科全书 Kepler's third law states that the squares of the sidereal periods of revolution of the planets are directly proportional to the cubes of their mean distances from the Sun. 开普勒第三定律指出，行星公转周期的平方与它们到太阳的平均距离的立方成正比。
中文百科
轨道周期 Orbital period（重定向自Sidereal period）
轨道周期指一颗行星（或其他天体）环绕轨道一周需要的时间。 环绕太阳运行的星体有几种不同的轨道周期：
英语百科
Orbital period 轨道周期（重定向自Sidereal period）
The orbital period is the time taken for a given object to make one complete orbit around another object. When mentioned without further qualification in astronomy this refers to the sidereal period of an astronomical object, which is calculated with respect to the stars. |
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