英语翻译
Light travels at a speed which is about a million times faster than that of sound .You can get some idea of this difference by watching the start of a running match.If you stand far away from the starter,you can see smoke come from his gun before the sound teaches your ears.The speed of light produces some strange facts.The nearest star is so far away that the light you see from it tonight started to travel to you 4 years ago at a speed of nearly 2 million kilometres every minute.
人气：449 ℃ 时间：2020-01-24 08:05:34
解答
光旅行的速度约是声音的一百万倍,.您可以拥有关于它们不同的一些想法通过观看赛跑比赛的开始.如果你站在远离发令员的地方,你可以在声音传到你的耳朵之前看见烟从枪里冒出.光的速度产生一些奇怪的事实.最近的恒星是如此远的地方,但你今晚看见的光却是它四年前以每分钟200万千米的速度传来的.
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