第一个叫做开普勒（Kepler）。
开普勒第二定律当然也对，如果东西远离了。
But, Kepler's law would also be true, actually, if things were going away.
开普勒将寻找像地球这么小的行星。
Kepler will hunt for transiting planets that are as small as Earth.
相比之下，开普勒可以很容易地找到这样的行星。
例如，开普勒任务至今已经证实并宣布了7个新的外星世界。
The Kepler mission, for example, has confirmed and announced seven new alien worlds to date.
它的邻居开普勒- 62 E行星是地球体积的1.6倍。
Its neighbor, Kepler-62e, is just 1.6 times larger than Earth.
开普勒第三定律给出了一个关于力的本质的更为具体的说明。
Kepler's third law gave a more specific hint about the nature of the force.
开普勒第三定律给出了一个关于力的本质的更为具体的说明。
Kepler's third law gave a more specific hint about the nature of the force.
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