astronomical equator

astronomical equator

[‚as·trə′näm·ə·kəl i′kwād·ər]
(geodesy)
An imaginary line on the surface of the earth connecting points having 0° astronomical latitude. Also known as terrestrial equator.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Full browser ?