positional astronomy
positional astronomy
See astrometry.Collins Dictionary of Astronomy © Market House Books Ltd, 2006
positional astronomy
[pə′zish·ən·əl ə′strän·ə·mē] (astronomy)
The branch of astronomy that deals with the determination of the positions of celestial objects.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.