luminous nebula

luminous nebula

[′lü·mə·nəs ′neb·yə·lə]
(astronomy)
A nebula made bright by radiation from stars in the vicinity.
Mentioned in ?
References in periodicals archive ?
Keck Observatory in Hawaii, the researchers detected a very large, luminous nebula of gas extending about 2 million light-years across intergalactic space.
Nestled in one of the galaxy's spiral arms is the luminous nebula NGC 604 (facing page, right).