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Definition of positional astronomy - 3 dictionary results

as⋅trom⋅e⋅try

[uh-strom-i-tree]
–noun
the branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies.


Origin:
1865–70; astro- + -metry


as⋅tro⋅met⋅ric [as-troh-me-trik] , as⋅tro⋅met⋅ri⋅cal, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Science Dictionary
astrometry   (ə-strŏm'ĭ-trē)  Pronunciation Key 
The scientific measurement of the positions and motions of celestial bodies.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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