Ursa Minor system
Ursa Minor systemA dwarf elliptical galaxy that is a member of the Local Group.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
Ursa Minor system[′ər·sə ′mī·nər ‚sis·təm]
A dwarf spheroidal galaxy in the Local Group, about 2.1 × 105 light-years (1.2 × 1018 miles or 2.0 × 1018 kilometers) away.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.