让我们共同携起手来，在无穷的宇宙长河中勇敢地探索无穷的科学真理吧！
Let's join hands and explore the boundless universe in quest of the never-ending truth of science.
这个世界是件小事儿，在银河系里，在漫漫宇宙里，在延绵不断的历史长河里，它只不过是一个小点而已。
The world is a small thing. A tiny dot in a galaxy, in a universe, in a long long stretch of time.
倘若人们意识到人的一生只不过是宇宙的时间长河中转瞬即逝的一刹那，那么以岁月计算的生命就不会像我们所想象的那样重要了。
If one realizes that our time on this earth is but a tiny fraction of that within the cosmos, then life calculated in years may not be as important as we think.
倘若人们意识到人的一生只不过是宇宙的时间长河中转瞬即逝的一刹那，那么以岁月计算的生命就不会像我们所想象的那样重要了。
If one realizes that our time on this earth is but a tiny fraction of that within the cosmos, then life calculated in years may not be as important as we think.
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