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结果是这些背景星系的多重影像被扭曲成长而暗的弧——透镜效应的例子，类似于透过酒瓶底的玻璃看远处的街灯。
As a result, multiple images of these background galaxies are distorted into long faint arcs — a simple lensing effect analogous to viewing distant street lamps through a glass of wine.
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