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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That's not to say that Alpha Centauri doesn't have a habitable world of some kind—it would just have to be a planet like our own, rather than a moon.

但这并不代表半人马座阿尔法星不具有某种适宜居住的环境——它最好是类似于我们地球的行星，而不是卫星。

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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, our nearest stellar neighbor, is four light years away.

FORBES: Searching for the Siblings of the Sun

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

And it would also give us insight into what would be needed to think about even sending a probe to Alpha Centauri some 4.37 light years distant.

FORBES: Jump-Starting A Mission To Interstellar Space