Sujet : Re: Approximately 300,000 km/s With Respect To What?
De : nospam (at) *nospam* de-ster.demon.nl (J. J. Lodder)
Groupes : sci.physics.relativityDate : 11. Jul 2024, 21:42:38
Autres entêtes
Organisation : De Ster
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References : 1
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amirjf nin <
amirjfnin@aim.com> wrote:
Approximately 300,000 km/s with respect to what?
With respect to everything. It is a universal speed,
inherent in the space-time we live in.
That is the whole point of special relativity.
How about the local/dominant gravitational field?
There is no such thing as a gravitational field in GR,
only in approximations to it,
Jan
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