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interstellar line [1 record]

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Alphabetical list of terms

Record 1 2022-01-10

English

Subject field(s)
  • Astrophysics and Cosmography
  • Space Physics
DEF

One of the dark spectral lines of a star or other distant celestial body that is caused by the absorption of atoms and molecules in the intervening interstellar gas and that does not partake of the Doppler shift of the spectral lines produced in the star itself.

French

Domaine(s)
  • Astrophysique et cosmographie
  • Physique spatiale
DEF

Raie fine apparaissant dans le spectre d'un astre lointain, due à l'absoption sélective par le gaz interstellaire interposé.

Spanish

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