We could also reach Trappist-1 in the span of one of our lives as it would only be about 39 years away.

我们也可以在生命的某一段时间内到达Trappist-1，因为只有39年的时间。

If you haven't heard of Trappist-1 yet, it's a planetary system with the most Earth-sized planets found in a habitable zone of a single star.

你可能还没有听说过Trappist-1，它是一个行星系统，在单个恒星的宜居带中发现了一些地球大小的行星。