I want you to notice that this spectrum is interrupted by dark lines called spectral lines.
我想让你们注意到的是,这一光谱是被叫做光谱线的暗线所打断的。
Spectroscopy is basically the study of spectra and spectral lines of light, and specifically for us, the light from stars.
光谱学基本上是一种研究光谱和光谱线的学科,特别对我们来说,是研究恒星发出的光。
A British astronomer was analyzing a spectrograph of sunlight, and he noticed a particular pattern of spectral lines that didn't match anything in the library.
一位英国天文学家在分析一台太阳光摄谱仪时,注意到一种特殊的光谱线模式,它与图书馆里的任何一种都不匹配。
And hydrogen atom is what we're learning about, so that's the most relevant here. But just to show you that each atom does have its own set of spectral lines, just for fun we'll look at neon also so you can have a comparison point.
为了给你们展示下每个原子,都有自己的一套谱线,仅仅是为了好玩,我们看下氖,你们可以比较一下。
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