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地球每天都有几秒钟受到遥远星系的大爆炸所产生的伽玛射线的轰击。这种类似于超新星暴发的大爆炸被称作伽玛射线暴，简称伽玛暴。伽玛暴会对周围环境发生什么影响呢？几年前有些天文学家认为伽玛暴会销毁它所在星系的一切生命，而现在看来这种观点似乎过于悲观了。因为最新的
The Earth is bombarded with gamma rays generated by the Big Bang of distant galaxies for a few seconds every day. This type of big explosion similar to a supernova is called a gamma-ray burst, or gamma-ray burst. What impact does the GRB have on the surrounding environment? A few years ago, some astronomers thought that the GRB would destroy all the life of the galaxy it was in. Now it seems that this view is too pessimistic. Because of the latest