apsidal motion concept from the Astronomy knowledge base

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apsidal motion

subject fact

apsidal motion has definition Rotation of the line of apsides in the plane of the orbit; (in a binary) precession of the line of apsides due to mutual tidal distortion. has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:29:51.0
is an instance of precession

precession has rate

physical process has domain physics 2001-09-27 09:29:38.0

apsidal motion	has definition Rotation of the line of apsides in the plane of the orbit; (in a binary) precession of the line of apsides due to mutual tidal distortion.
apsidal motion	is an instance of precession
precession	has rate
physical process	has domain physics