释义 |
cometary nebula cometary nebula (kom -ĕ-tair-ee) A fan-shaped reflection nebula whose illuminating star lies at the vertex of the fan. Hubble's variable nebula is an example.cometary nebula[′käm·ə‚ter·ē ′neb·yə·lə] (astronomy) A fan-shaped reflection nebula that resembles a comet in appearance. |