Gravitational lensing works like this: When a large nearby object like a galaxy blocks a distant object, such as another galaxy, the light can detour around the blockage.
引力透镜的工作原理如下：较近的大型物体如星系挡住一个远处的物体，如另一个星系时，光可以从阻挡物的旁边绕过来。
Gravitational lensing works like this: When a large nearby object like a galaxy blocks a distant object, such as another galaxy, the light can detour around the blockage.
引力透镜的工作原理如下：较近的大型物体如星系挡住一个远处的物体，如另一个星系时，光可以从阻挡物的旁边绕过来。
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