恒星的光到达地球的距离怎么算出来的经常看报纸说某某距离我们多少万光年的恒星被我们发现~请问下这些恒星离地球的距离是怎么被算出来的呢?
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/05 15:42:08
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