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ACTIVATION PROMINENCE [1 record]

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Alphabetical list of terms

Record 1 1986-10-07

English

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

Transitory phase consisting in the onset, within a previously quiet prominence or filament, of internal streamers flowing downwards and upwards along curved trajectories and condensation of bright knots of material from the hotter coronal environment causing the disappearance of the prominence either by dissolution or eruption.

CONT

The activation of a prominence is a transitory phase of a prominence's lifetime, lasting on the average only a few hours.

French

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

(...) phénomène d'agitation d'une protubérance quiescente suivi d'une disparition brusque de celle-ci. Il peut aussi être associé à une éruption chromosphérique dans une région active.

Spanish

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