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Eddington limit(ed -ing-tŏn) An upper limit to the luminosity that can be radiated by a celestial object of a specified mass. Beyond this limit the forces on matter due to radiation pressure in the emitting region would exceed the gravitational forces holding the object together.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
Eddington limit[′ed·iŋ·tən ‚lim·ət]
A limit on the radiation emitted by a star above which the star becomes unstable.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.