| 单词 | radio galaxy |
| 释义 | > as lemmasradio galaxy radio galaxy n. ΚΠ 1959 Oakland (Calif.) Tribune 30 Nov. 22/3 A Soviet astrophysicist offered a new theory today on the so-called radio galaxies. 1991 C. A. Ronan Nat. Hist. Universe 66/2 Radio galaxies also emit at X-ray and gamma-ray wavelengths. 2003 J. Scalzi Rough Guide to Universe xiii. 196 Some astronomers believe that radio galaxies actually are quasars, positioned relative to our point of view so that the disc of material that has accreted around the black hole blocks the quasar's brightness. < as lemmas |
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