Gravitational waves are fluctuations in the curvature of space and time which propagate through the universe as gravitational waves — outward from its source.

时间与空间的弯曲贯穿整个宇宙，其中的起伏就是重力波，它自起源处向外散发。

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Every component is a possible source of work and trouble and a drain of processor cycles, disk space, and time; prune anything you can.

每个组件都可能增加管理员的工作量，可能出现问题，会占用处理器周期、磁盘空间和时间；应该尽可能去除不必要的东西。

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At the same time, these images can work as the source of inspiration, exciting human imagination with so many secrets, still hidden in the outer space.

与此同时，这些图像又可作为灵感来源，以外太空取之不尽的神秘与未知激发人类的灵感。

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