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单词 giant radio galaxy
释义

giant radio galaxy

English

Etymology

giant + radio galaxy

Noun

giant radio galaxy (plural giant radio galaxies)

  1. (astronomy) a very large radio galaxy; a double radio source having an overall projected linear length exceeding 2 megaparsecs (or more specifically, 2×h50-1 Mpc)
Synonyms
  • GRG (abbreviation)
  • radio galaxy
  • giant quasar
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