宇宙十大暴力事件 彗星把木星撞出“黑眼圈”(4)
恒星爆炸释放伽马射线流
恒星爆炸释放伽马射线流
距离地球75亿光年星系中的一颗恒星爆炸非常强大,所释放的光度很明亮,人们在地球上完全可以通过肉眼进行观测。天文学家通过美国宇航局“雨燕”人造卫星记录了此次恒星爆炸更详细的观测资料,称此次爆炸为“伽马射线爆”。之后他们通过全球范围内的地面和太空基础的望远镜进行了观测,相应的观测数据成功地描述出目前天文学家对伽马射线爆的最佳观测图像,并显示出该恒星释放的最接近地球的喷射流路线。天文学家称,如果在银河系出现类似的伽马射线爆,那么地球上的生命体将带来很大的麻烦。如图所示,这是近距离观测到的伽马射线爆。
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