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NLRG — noun narrow emission line radio galaxy See Also: HzRG, BLRG, WLRG, NLS1, NLQ, NELG, ELG … Wiktionary
BLRG — noun broad emission line radio galaxy See Also: HzRG, WLRG, NLRG, ELG, BLQ, BLS1 … Wiktionary