然后通过议案开普勒定律，它可以计算出恒星的质量。

Then through Kepler's laws of motion, it's possible to calculate the mass of the star.

youdao

今天我们要讨论，行星轨道，和著名的开普勒定律。

Today, I will talk to you about elliptical orbits and Kepler's famous laws.

youdao

在谈到轨道和开普勒定律时，我会详细介绍这一点的。

We'll talk about this much later when we deal with orbits and with Kepler's Law.

youdao