So how many of these exoplanets have life?
这么多的外行星当中又有多少是有生命存在的？
More than 270 so-called exoplanets have been found.
至今为止被发现的外行星已经有超过270颗之多。
The primary techniques currently used to find exoplanets include
目前用于寻找太阳系外行星的技术包括
Finding such exoplanets is interesting in its own right, of course.
当然，发现这样的外星球本身就是一件有趣的事。
In order to study exoplanets, astronomers have had to be quite inventive.
为了研究系外行星，天文学家必须非常有创造性。
It has been designed to spot exoplanets bigger than twice the size of the Earth.
这艘太空船是用以捕捉体积在地球两倍以上的系外行星的踪影。
Dr Mayor told the meeting that the French mission, CoRoT, has now found 80 exoplanets.
梅尔博士在会议中称，法国的CoRoT号任务目前已经发现了80个外行星。
Dr Mayor told the meeting that the French mission, CoRoT, has now found 80 exoplanets.
梅尔博士在会议中称，法国的CoRoT号任务目前已经发现了80个外行星。
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