Most of the big planet announcements over the past year or two have come from the Kepler space mission, which looks for the slight dimming as a planet passes in front of its star.

在过去一两年中，大部分发现大型植物的公告是来自开普勒太空任务，其方法是搜寻植物在太阳前经过时那稀薄的浅影。

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TWO years into its mission, NASA's planet-hunting Kepler space telescope has been a big success.

在2年的任务执行中，美国宇航局的行星搜索太空望远镜“开普勒”获得了巨大的成功。

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And the 1,000th world could be discovered surprisingly soon, as the space-based Kepler mission has already offered up hundreds of planet candidates that await further observation and confirmation.

而且，可能很快就会发现第1000个外星世界，因为天基的开普勒任务已经提供了数百个候选行星，并等待进一步的观察和确认。

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