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активное галактическое ядро (a compact region at the center of a galaxy that has a much-higher-than-normal luminosity over at least some portion of the electromagnetic spectrum with characteristics indicating that the luminosity is not produced by stars. Such excess non-stellar emission has been observed in the radio, microwave, infrared, optical, ultra-violet, X-ray and gamma ray wavebands. Alex_Odeychuk) | |||
активное ядро галактики | |||
English thesaurus | |||
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AGN | |||
AGN (Space) |