“基本上，我们测量恒星周围的行星和月球绕地球的轨道，”基平说。
"Basically, we measure the orbits of the planet around the star and the moon around the planet," Kipping said.
同时指出，行星和月球的运动及其变化对自然灾害的影响仍需继续研究。
At the same time, the effects of planetary and lunar motion and their variations on the natural disasters should be further studied.
弄清楚行星演变的不同阶段产生的具体矿物类型，以及哪些矿物是由后来出现的生物体产生的，这对于了解其它行星和月球的矿物学是至关重要的。
Knowing which minerals form at different stages of a planet's evolution, and which depend upon life to be present, are crucial to understanding the mineralogy of other planets and moons.
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