TERMIUM Plus®

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RICE GRAIN [1 record]

Record 1 2017-08-15

English

Subject field(s)
  • The Sun (Astronomy)
DEF

Any of the small short-lived brilliant spots on the sun's photosphere.

CONT

The measured difference in brightness between a granule and an intergranule area is about 15%, indicating an effective temperature difference of the order of 200 K [Kelvin].

French

Domaine(s)
  • Soleil (Astronomie)
DEF

Cellule de convection de la photosphère solaire, qui apparaît sous la forme d'une zone chaude et brillante, entourée d'une bordure plus froide et plus sombre.

OBS

Le granule solaire a une dimension moyenne d'un millier de kilomètres et une durée de vie d'une dizaine de minutes.

OBS

La zone chaude et brillante correspond au sommet de la partie ascendante de la cellule, la bordure froide et sombre au retour descendant.

OBS

granule solaire : terme et définition publiés au Journal officiel de la République française le 28 juin 2017.

Spanish

Campo(s) temático(s)
  • Sol (Astronomía)
DEF

Cada una de las innumerables manchitas brillantes que confieren a la fotoesfera solar el aspecto de un mosaico.

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