Proxima b紧挨着比邻星轨道：仅为太阳地球间距的5%；其表面温度适宜液态水存在，保证其不蒸发。

If there is life on the planet, it would be affected by this radiation.

如果此星球有生命，将会受到辐射影响。

Perhaps one of the biggest questions includes the history of the star and the planet. How did they form?

也许最大的问题在于这颗星及星球的历史。它们从何而来？

This would indicate whether the plant was rich with water in its early days or started out dry, as well as whether there was any high-energy radiation that could have blasted away an atmosphere during formation of the planet.

这或许能暗示，星球初期是富含水分、还是开始干涸，及行星形成期间高能辐射是不是消逝了。

Many researchers hope that we can actually get an idea of their atmospheric makeup and surface composition, and strive to answer the question of "Are we alone in the universe?"

很多研究者希望我们可以了解这些星球的大气组成和表面组成，努力回答“我们是不是宇宙的唯一（可居住星球）？”这个问题。

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