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
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.
光传播的速度大约有一百万倍的速度比声音,你可以领略了这种差异,通过观察开始运行的比赛。如果你站远离起动器,你可以看到烟来自他的枪在声音教导你们的耳中。光的速度生产一些奇怪的事实。距离我们最近的恒星,那麽远光你看到的从今晚开始前往你4年前的速度在近2万公里的每一分钟。
光的速度约一亿倍的速度比声音，是旅行。您可以通过观看比赛的一开始运行这种差异的一些想法。如果你站在远离站
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.
光速是声音速度的百万倍。你可以通过观看跑步比赛的开始来了解这其中的不同。如果你离发令员很远，你可以在听见枪响之前看见发令枪上的烟。光速造成了一些奇怪的事实。最近的星星是那么远，你今晚看见的光芒在4年前就以近每分钟2百万公里的速度射出。