giant radio galaxy

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English[edit]

Etymology[edit]

giant + radio galaxy

Noun[edit]

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[edit]

  • GRG (abbreviation)

Related terms[edit]

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