At the start of the Dark Ages, there wer..-阿摩線上測驗
最佳解! | ||
1F KlugTina 高一下 (2017/07/26)
At the start of the Dark Ages, there were no galaxies, no stars, and no planets. 在黑暗時代之初,沒有星系、沒有星星、也沒有行星 Even if there had been, we would not be able to spot them. 即使有,在那個年代我們也沒有辦法發現它們 That is because hydrogen-gas clouds are nearly opaque to visible light. 這是因為氫氣雲對可見光而言幾乎是不透光的 No ordinary telescope will ever be able to see what happened afterward. 用一般的望遠鏡是沒有辦法看到發生什麼的 yet somehow the matter that started as a sea of individual atoms managed to transform itself into something more. 但,不知如何地,開始從... 查看完整內容 |