Terrestrial Timekeeping and General Relativity-A Discovery

Developments regarding time scales and timekeeping devices are examined, taking into account a consideration of relativistic effects between various clock sites. In connection with the first two hypotheses of the special theory of relativity a third hypothesis arises. According to this hypothesis th...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1975-04, Vol.188 (4186), p.317-328
Main Authors: Cannon, W. H., Jensen, O. G.
Format: Article
Language:English
Subjects:
Chronometry
Clock rate
Clocks
Coordinate systems
Gravitation theory
Gravitational fields
Observatories
Red shift
Space based observatories
Spacetime
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Summary:Developments regarding time scales and timekeeping devices are examined, taking into account a consideration of relativistic effects between various clock sites. In connection with the first two hypotheses of the special theory of relativity a third hypothesis arises. According to this hypothesis the inertial acceleration of a clock relative to an inertial frame has no influence on the rate of the clock. The results of an empirical test of the third hypothesis are presented. The results indicate that such inertial accelerations, uniquely and absolutely determined for each observer, will affect the observer's measurement of space and time.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.188.4186.317