半人马座阿尔法星，它夺目的星光早已刻入我心。
但它们还是要花上20年，才能抵达半人马座阿尔法星。
But it would still take 20 years for them to get to Alpha Centauri.
当时我还无法明白其间的缘分，一切奥妙都是在我去半人马座阿尔法星旅途中才参透的。
I didn't know this then, of course-all of this I figured out during the journey to Alpha Centauri.
半人马座阿尔法星：人马座中的聚星，其三个组成部分是星座中最亮的部分，距地球4.4光年。
A multiple star in Centaurus whose three components represent the brightest object in the constellation, 4.4 light-years from Earth.
天文学家近年来搜集的数据显示，可能存在一颗地球那么大的行星，在围绕半人马座阿尔法星b旋转。
In recent years, astronomers have amassed data suggesting the possibility of an Earth-size planet orbiting Alpha Centauri b.
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。
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.
电影中：为了踏上通往半人马座阿尔法星的星际之旅，人类打造了近1英里长的太空飞船，此飞船使用了混合反物质聚合发动机。
In Avatar: For the interstellar journey to Alpha Centauri, humans have constructed spaceships nearly a mile long outfitted with hybrid antimatter fusion engines.
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。
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.
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。
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.
天文学家已经开始在半人马座阿尔法星(Alpha Centauri)的“适宜居住区”寻找大型行星的踪迹了，半人马座阿尔法星附近的恒星系正是电影中潘多拉星球的所在地，不过他们目前还未找到大型行星。
Astronomers have looked for the presence of giant planets in the habitable zone of Alpha Centauri, the nearby star system that is home to Pandora in the film, and have not found one.
天文学家已经开始在半人马座阿尔法星(Alpha Centauri)的“适宜居住区”寻找大型行星的踪迹了，半人马座阿尔法星附近的恒星系正是电影中潘多拉星球的所在地，不过他们目前还未找到大型行星。
Astronomers have looked for the presence of giant planets in the habitable zone of Alpha Centauri, the nearby star system that is home to Pandora in the film, and have not found one.
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