Telluric Lines
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Telluric Lines
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Absorption
lines in a solar spectrum produced by constituents of the atmosphere of
the earth itself rather than by gases in the outer solar atmosphere such as
those responsible for the Fraunhofer lines. The terrestrial nature of the
absorption processes responsible for telluric lines is revealed by their
intensity variation with solar zenith angle and by their freedom from any
Doppler broadening due to their solar rotation. Water vapor produces the
strongest of the telluric lines in the visible spectrum. [[/a>|/a>]]
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
