telluric lines

'telluric lines' can also refer to...


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Absorption and emission lines seen in astronomical spectra arising in the Earth's atmosphere. In the optical region the most prominent features are the Fraunhofer A band and B band, at 760 nm and 687 nm respectively, both due to molecular oxygen; other features are due to water vapour, carbon dioxide, and various metals.

Subjects: Astronomy and Astrophysics.

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