diagram on the plane of the celestial equator

diagram on the plane of the celestial equator

[′dī·ə‚gram ȯnthə ′plān əvthə sə′les·chəl ē′kwād·ər]
(astronomy)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.