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radio galaxy
subjectfact 
radio galaxyhas definition 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.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:19.0
is a kind of galaxy2001-09-27 09:31:19.0
is a kind of radio source2001-09-27 09:31:19.0
radio sourcehas wavelength radio2001-09-27 09:30:21.0
is a part of celestial sphere2001-09-27 09:30:21.0
has catalog radio source catalog2001-09-27 09:30:21.0
galaxyhas number of stars 106 to 10122001-09-27 09:31:09.0
has catalog galaxy catalog2001-09-27 09:31:09.0
celestial bodyhas spectra2001-09-27 09:30:09.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has mass2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

Kinds of radio galaxy :

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