type II supernova
(redirected from Core collapse supernova)type II supernova
[′tīp ¦tü ¦sü·pər′nō·və] (astronomy)
A member of a class of supernovae that display prominent lines of hydrogen in their spectra and have irregular light curves; they are believed be explosions of young massive stars, still in possession of their hydrogenic surface layers.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.