normal spiral galaxy

normal spiral galaxy

[′nȯr·məl ′spī·rəl ′gal·ik·sē]
(astronomy)
A galaxy that has a lens-shaped central portion with two arms that begin to coil in the same plane and in the same fashion immediately upon emerging from opposite sides of it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
By all appearances, Q2343-BX442 is a normal spiral galaxy. Except for the fact that it exists at such a young cosmic age.