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Category Scope

93 Space Radiation

Includes cosmic radiation; and inner and outer Earth radiation belts. For biological effects of radiation on plants and animals see 51 Life Sciences; on human beings see 52 Aerospace Medicine. For theory see 73 Nuclear Physics.


Extraterrestrial Radiation – Electromagnetic or particle radiation emitted from a source beyond the Earth's atmosphere. NASA Thesaurus, Washington, DC: National Aeronautics and Space Administration.

NASA Interest

Exhaustive Interest : All facets of space radiation.


Input Subjects of Specific Interest

  • alpha rays (space)
  • beta rays (space)
  • cosmic radiation
  • galactic radiation
  • gamma rays (space)
  • inner Earth radiation belts
  • intergalactic radiation
  • interstellar radiation
  • outer Earth radiation belts
  • radiation belts
  • space radiation
  • stellar radiation
  • ultraviolet radiation (space)
  • Van Allen belts
  • x-ray radiation (space)