Bill Borucki is the principal investigator for NASA's planet-finding Kepler spacecraft.

Bill Borucki是美国航空航天局星球发现者开普勒航天器的首席调查员。

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NASA's Kepler spacecraft has discovered three new planets that are close to earth's size.

美国国家航空航天局的“开普勒”宇宙飞船发现了与地球大小接近的三颗新行星。

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The new discovery, based on data from NASA's planet hunting Kepler spacecraft, makes the Kepler-11 system the fullest exoplanetary system known.

这项根据 NASA 的开普勒行星探测航天器发回的数据得出的新发现，让开普勒 11 星系成为了最完整的地外行星系统。

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Kepler-10b, to give this planet's current name, is the latest discovery by Kepler, an American spacecraft.

ECONOMIST: Time to start giving extrasolar planets proper names

So Kepler's reaction wheels are essential for pointing the spacecraft accurately and steadily.

CNN: Kepler or not, we'll find life in space