NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be habitable.

美国国家航空航天局开普勒计划的首席调查员，Bill Borucki，谈寻找可能适合居住系外行星。

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How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. That's the idea behind a recent look at earthshine.

我们怎样寻找（太阳）系外行星上的生命？步骤一：把地球当做一个（太阳）系外行星进行研究。这是研究人员最近根据地球反照光想到的一个办法。

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Last month, scientists announced that Kepler had discovered two of the most intriguing candidates yet in the search for Earth-like exoplanets.

BBC: Nasa's Kepler telescope hobbled by faulty wheel

These are prime candidates around which to search for small exoplanets using the transit method.

ENGADGET: 9-gigapixel image of the Milky Way reminds us just how small we truly are

Its main objectives are to search for exoplanets and to study the interiors of stars.

BBC: Telescope sees smallest exoplanet