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high-energy particle [1 record]

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Record 1 2002-02-19

English

Subject field(s)
  • Air Pollution
  • Astrochemistry and Cosmochemistry
DEF

An elementary particle having an energy of hundreds of MeV (megaelectronvolt) or more.

French

Domaine(s)
  • Pollution de l'air
  • Astrochimie et cosmochimie
CONT

On a pu calculer que, dans la Galaxie, les différents types de rayonnements présents (rayonnement ultraviolet des étoiles, particules de haute énergie du rayonnement cosmique ...) étaient suffisants pour chauffer les poussières interstellaires à des températures de l'ordre de 25 à 30 K.

Key term(s)
  • particule de grande énergie

Spanish

Campo(s) temático(s)
  • Contaminación del aire
  • Astroquímica y cosmoquímica
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