释义 |
radio nebula radio nebula[′rād·ē·ō ′neb·yə·lə] (astrophysics) A nebula that emits nonthermal radio-frequency radiation; derives its luminosity from collisions with the surrounding interstellar medium, or from processes associated with the magnetic fields presumably involved within the nebula; examples are the network nebulae in Cygnus and NGC 443. |