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LUEUR SECONDAIRE [2 records]

Record 1 2015-03-11

English

Subject field(s)
  • Atmospheric Physics
DEF

Broad high arch of radiance seen occasionally in the western sky above the highest clouds during the deepening twilight. It is caused by the scattering of the wavelength components of white light by very fine particles of dust suspended in the high atmosphere.

Key term(s)
  • after-glow

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Arc lumineux observé occasionnellement vers l'ouest, au-dessus des nuages les plus élevés, lorsque le crépuscule s'accentue. Il est dû à la diffusion des composantes de la lumière blanche par de très fines particules en suspension dans les couches supérieures de l'atmosphère.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
DEF

Arco luminoso ancho y a gran altura que puede verse a veces, al acentuarse el crepúsculo, en la parte occidental del cielo, por encima de las nubes más altas. Es debido a la difusión de las componentes de la luz blanca por partículas finísimas de polvo en suspensión en la alta atmósfera.

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Record 2 1992-12-31

English

Subject field(s)
  • Atmospheric Physics
DEF

Stage in the alpine glow; namely, the illumination of mountain tops by diffusely reflected radiation caused by the purple light.

Key term(s)
  • after-glow

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Phase de l'Alpenglühen; spécifiquement, l'éclairement des sommets montagneux par le rayonnement réfléchi diffus causé par la lueur pourpre.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
DEF

Fase de la coloración alpina; esto es, iluminación de las cimas de las montañas por la radiación reflejada difusamente causada por la luz púrpura.

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