An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 1 Search : hydrogen line
hydrogen line
  خط ِ هیدروژن   
xatt-e hidrožen (#)

Fr.: raie de l'hydrogène   

An → emission or → absorption line in the spectra of various astronomical objects produced by the presence of hydrogen atoms in particular physical conditions.

→ hydrogen, → line.