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同学们见到过图1这样的图片吗?告诉大家,这是一种天文现象.在浩瀚的宇宙中,有那么一些点,这些点的体积趋向于零而密度无穷大,由于具有强大的吸引力,物体只要进入离这些点一定距离的范围内,就会被强大的吸引力吸住,连光线也不例外.因此任何进入这个范围的物体都无法再逃出来,就是说,没有任何信号能够从这个范围内传出,里面的情形人类无法看到.所以科学家给它起了个名字叫“黑洞”.
Did the classmates see the picture in Picture 1, to tell you that this is an astronomical phenomenon: In the vast universe, there are some points where the volume of these points tends to zero and their density is infinitely attractive due to their strong appeal , Objects that are within a certain distance of these points are attracted by the powerful attraction, even the light, so no object entering this range can escape, that is, no signal can be transmitted from Came out in this range, the human situation inside can not see.So scientists have given it a name “black hole ”.