Recent Examples of spectral line from the Web
The investigators were hoping to analyze the spectral lines—essentially the chemical fingerprints—of the gasses in Uranus’s atmosphere.
He and his colleagues looked for Doppler shifts in the spectral lines of the stars' light that would be caused if a planet tugged them back and forth.
Such light encodes deep insights in the form of spectral lines, which betray the compositions, temperatures and motions of cosmic denizens.
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