Barycentric Dynamical Time

'Barycentric Dynamical Time' can also refer to...


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A time-scale originally intended to be used for calculating the positions of planets and other Solar System bodies using methods consistent with general relativity. Compared with Terrestrial Time, TDB exhibits small periodic variations, caused by the effects on terrestrial clocks of the changing speed and gravitational potential experienced as the Earth orbits the Sun.

Subjects: Astronomy and Astrophysics.

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