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COSMIC-RAY AGE [1 record]

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Record 1 1985-12-19

English

Subject field(s)
  • Astronomy
  • Planets
CONT

Cosmic-ray ages. While a radioactive product will tend to attain a steady state under cosmic irradiation, a stable product will simply accumulate, and its amount can serve as a measure of the time during which radiation has gone on (...)

OBS

The age of a meteorite must be qualified. It can refer to the time since it arrived on Earth (terrestrial age), the time since it was an interior part of a larger body (cosmic-ray age)....

French

Domaine(s)
  • Astronomie
  • Planètes
CONT

Les âges d'exposition au rayonnement cosmique mesurent par convention l'intervalle de temps qui sépare l'instant où une météorite est expulsée d'un corps parent, probablement à la suite d'un choc, jusqu'à la capture et la chute sur Terre.

Spanish

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