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Kinematic and Dynamic Reference Frames

Published online by Cambridge University Press:  12 April 2016

E. M. Gaposchkin
E. M. Gaposchkin*
Affiliation:
Smithsonian Astrophysical Observatory Cambridge, Massachusetts

Abstract

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The fundamental properties of kinematic and dynamic reference frames are defined, first as an abstract concept and second in a practical (although idealized) thought experiment. A four dimensional spacetime description in coordinate free notation illustrates the properties, limitations, and relationships between kinematic and dynamic reference frames. Kinematic reference frames can be defined quite rigorously. Dynamic reference frames cannot be defined so well, but are nonetheless very useful. In practice a combination has been generally adopted. Presently we can materialize purely kinematic terrestrial and celestial reference frames.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 56: Reference Coordinate Systems for Earth Dynamics , August 1980 , pp. 59 - 70
Copyright
Copyright © Reidel 1981

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