By 2024, say the team, our planet's computers will be getting through enough data every year to build a stack of books as far as the next star, Alpha Centauri, 4.37 light years away.

据这个小组说，到了2024年，我们星球的计算机每年消耗的数据量将可以建造一堆足以到达下一颗星球- 4.37光年之外的半人马座阿尔法星-的书了。

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Fortunately, if life has taken root in the Alpha Centauri system, it is not likely to suffer this fate.

值得庆幸的是，如果半人马座阿尔法星系存在生命，它们遭受此厄运的可能性微乎其微。

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For now, the jury is still out on whether the Alpha Centauri system has smaller, Earth-like worlds in life-friendly regions, but Fischer expects answers shortly.

目前，对于半人马座阿尔法星系是否有类似于地球而且适合生命存在的区域，科学家仍然无法确定，但费希尔认为不久答案便可揭晓。

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"Alpha Centauri B is of course a very special case - it's our next door neighbour, " said Stephane Udry of the Observatory in Geneva and senior author of the paper.

BBC: Exoplanet around Alpha Centauri is nearest-ever

The new planet around Alpha Centauri B matches Earth only in terms of its mass - making it among the smallest exoplanets we know of.

BBC: Exoplanet around Alpha Centauri is nearest-ever