在向心力的一些论述之后,他推出了开普勒的第三定律。
After some treatment of centripetal force, he deduces Kepler's third law.
操控开普勒的美国宇航总局NASA在2月2日对外宣布了探测结果。
On February 2nd America's space agency, NASA, which controls Kepler, announced the latest results from the probe.
开普勒的数据同时暗示,还有第三颗行星,位于非常靠近恒星的位置,几乎要被烤焦了。
The Kepler data also give a tantalizing hint of a third transiting planet that sits scorchingly close to the star.
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