In Avatar: the white-yellow glow of Alpha Centauri a, a star very similar to our Sun, illuminates the giant gaseous planet Polyphemus and its tropical moon Pandora.

影片中：与我们的太阳非常相似的半人马座阿尔法甲发出淡黄色的光芒，光芒照耀下的是巨大的气态行星波吕斐摩斯和它的卫星——炎热的潘多拉。

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However, getting enough antimatter for the 26 trillion-mile, one-way trip to Alpha Centauri and storing such a volatile fuel for long periods is prohibitively expensive and difficult.

然而，要到达26万亿英里之外的半人马座阿尔法星，携带和储存足够量的反物质难度极大，这种燃料不仅状态不稳定，而且耗资不菲。

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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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"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

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

But careful measurements over four years showed that the planet whips around Alpha Centauri B in just 3.6 days, and is estimated to have a surface temperature of about 1, 200C.

BBC: Exoplanet around Alpha Centauri is nearest-ever