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Concept information

solar system > Sun > solar radiation > solar proton event
... > theoretical physics aspects > field theory > classical field theory > electromagnetism > electromagnetic radiation > solar radiation > solar proton event
... > high-energy astrophysics > particle astrophysics > elementary particle > hadron > proton > solar proton event

Terme préférentiel

solar proton event  

Définition(s)

  • In solar physics, a solar particle event (SPE), also known as a solar proton event, prompt proton event, or solar radiation storm, is a solar phenomenon which occurs when particles emitted by the Sun, mostly protons, become accelerated either in the Sun's atmosphere during a solar flare or in interplanetary space by a coronal mass ejection shock. Other nuclei such as helium and HZE ions may also be accelerated during the event. These particles can penetrate the Earth's magnetic field and cause partial ionization of the ionosphere. Energetic protons are a significant radiation hazard to spacecraft and astronauts. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Solar_particle_event)

Concept(s) générique(s)

Synonyme(s)

  • proton storm
  • solar particle event

Traductions

URI

http://data.loterre.fr/ark:/67375/MDL-ZMK6L0HW-F

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RDF/XML TURTLE JSON-LD Dernière modif. 24/04/2023