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physical object > natural object > celestial body > collection of stars > galaxy > radio galaxy > Low-excitation radio galaxy

Low-excitation radio galaxy comparison table

Subject	has definition	has acronym	is a kind of
radio galaxy	A galaxy that is extremely luminous at radio wavelengths. A radio galaxy is usually a giant elliptical - the largest galaxy in a cluster - and is a strong emitter of synchrotron radiation. M87 and M82 are examples.		radio source
Low-excitation radio galaxy		LERG	radio galaxy

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