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TROU CORONAL [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-07-17

English

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

[An] area where the Sun's corona is colder, hence darker, and has lower-density plasma than average because there is lower energy and gas levels.

OBS

Coronal holes are part of the Sun's corona and are constantly changing and reshaping because the corona is not uniform.

French

Domaine(s)
  • Physique
  • Soleil (Astronomie)
DEF

Région de la couronne solaire où les lignes de champ magnétique sont ouvertes vers le milieu interplanétaire et dont la densité et la température sont très inférieures à celles du reste de la couronne.

OBS

La répartition des trous coronaux à la surface du Soleil évolue durant son cycle d'activité jusqu'à se réduire aux deux trous coronaux polaires en période de minimum d'activité solaire.

OBS

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

Spanish

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