有一颗大小与地球相近的行星围绕着距离太阳最近的恒星——半人马座比邻星运转。
The nearest star, Proxima Centauri, has a planet orbiting it not much bigger than Earth.
这个听起来可能有点偏执，但是如果地球与另一个行星发生相撞呢？
Well, this might sound kinda paranoid, but what if the Earth collided with another planet?
这个听起来可能有点偏执，但是如果地球与另一个行星发生相撞呢？
Well, this might sound kinda paranoid, but what if the Earth collided with another planet?
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