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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These waves of curvature in space-time are known as gravitational waves and will temporarily distort any object they pass through.

使时空弯曲的波纹被称为引力波，引力波能使任何穿过它的物体暂时扭曲变形。

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With Roger Penrose I showed that if Einstein's general theory of relativity is correct, there would be a singularity, a point of infinite density and space-time curvature, where time has a beginning.

Roger Penrose 和我曾表明，如果爱因斯坦的一般相对论是正确的，那就会有一个特例，在无限密集和空间时间弯曲这一点上，时间就会有一个开端。

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Gravity, he figured, was a warping of space and time, and he came up with the equations that describe how the dynamics of this curvature result from the interplay between matter, motion, and energy.

NPR: Einstein: Relatively Speaking, a Complicated Life

Einstein's general theory of relativity states that objects with mass cause a curvature in space-time, which we perceive as gravity.

WSJ: Einstein Proved Right on Gravity��Again