The prediction comes from the theory of eternal inflation, which says our universe is just one of an infinite number of universes.

这项预测来自于“永恒通膨”理论，大意就是我们的宇宙是很多宇宙的其中之一。 这就涉及到一个概率计算的问题了：既然是很多宇宙，咱们的宇宙啥时候是个头呢？

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Although Copernicus realized that this theory implied an enormous increase in the size of the universe, he declined to pronounce it infinite.

虽然哥白尼认识到，这一理论暗示在宇宙的大小的巨大增加时，他拒绝用它无限的。

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