radiation-bounded nebula

radiation-bounded nebula

[‚rād·ē′ā·shən ¦bau̇n·dəd ′neb·yə·lə]
(astronomy)
An emission nebula whose central star is not hot enough to ionize the entire cloud.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Full browser ?