英語(yǔ)翻譯
英語(yǔ)翻譯
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.
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.
英語(yǔ)人氣：545 ℃時(shí)間：2020-01-24 08:05:34
優(yōu)質(zhì)解答
光旅行的速度約是聲音的一百萬(wàn)倍,.您可以擁有關(guān)于它們不同的一些想法通過(guò)觀看賽跑比賽的開(kāi)始.如果你站在遠(yuǎn)離發(fā)令員的地方,你可以在聲音傳到你的耳朵之前看見(jiàn)煙從槍里冒出.光的速度產(chǎn)生一些奇怪的事實(shí).最近的恒星是如此遠(yuǎn)的地方,但你今晚看見(jiàn)的光卻是它四年前以每分鐘200萬(wàn)千米的速度傳來(lái)的.
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