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。
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。
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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