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为什么不能直接用眼睛看神秘的宇宙

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为什么不能直接用yan睛看日食?

发生日食时,大bu分时间是偏食,月亮只挡住了一bu分太yang,剩下的bu分仍和平常一样发chu光和热。如果用yan睛直接看日食,yan睛就会受到很大的伤害。因为yan睛里有一个水晶ti,它能起到聚光镜的作用,yan睛对着太yang看,太yang光中的热能被它聚集在yan底视网mo上,就会觉得刺yan。如果看的时间长,视网mo就会烧伤而失去视力。所以,不能直接用yan睛看日食。

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