the branch of astronomy that deals with the application of the laws of dynamics and Newton's law of gravitation to the motions of heavenly bodies.
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Origin of celestial mechanics
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for celestial mechanics
the study of the motion of celestial bodies under the influence of gravitational fields
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for celestial mechanics
The science of the motion of celestial bodies under the influence of gravitational forces. See more at Kepler's laws of planetary motion relativity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.