modulus of distance
modulus of distance
(moj -ŭ-lŭs) See distance modulus.Collins Dictionary of Astronomy © Market House Books Ltd, 2006
modulus of distance
[′mäj·ə·ləs əv ′dis·təns] (astronomy)
The quantity m-M, where M is the absolute magnitude of a given star and m is its apparent magnitude. Also known as distance modulus.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.