head-tail galaxy Comparison Table

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physical object > natural object > celestial body > collection of stars > galaxy > radio galaxy > head-tail galaxy

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head-tail galaxy comparison table

Subject has definition 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

head-tail galaxy A class of relatively weak radio sources associated with clusters of galaxies and characterized by a high-brightness "head" close to the optical galaxy and a long low-brightness "tail". radio galaxy

Subject	has definition	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
head-tail galaxy	A class of relatively weak radio sources associated with clusters of galaxies and characterized by a high-brightness "head" close to the optical galaxy and a long low-brightness "tail".	radio galaxy

Next radio galaxy: Low-excitation radio galaxy Up: radio galaxy Previous radio galaxy: Fornax A