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Gravitational acceleration


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Old September 5th 05 posted to sci.physics.relativity
Ken S. Tucker
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Posts: 7,341
Default Gravitational acceleration

wrote:
Speed compared to what? As well You can say that they are not moving at all.
Being in empty space is relative. The speed can be what ever you want it to
be.

I meant get closer to each other faster than c

Thanks for answers everyone!
I don't even know what field equations are so I'll have to learn more
about relativity before I can understand this =)

Thanks,
/Erik

Humans have little experience with the type of
problem you detailed.

Things like Pioneer X anomaly and the orbit of
comets are edging toward a better understanding,
where large radial motions occur.

The GR prediction accounting for the shift in
the perihelion of Mercury is reasonable test
that GR is good. The experiential base with
a truly high energy relativistic test of the
EFE's hasn't been well done yet. The rate at
which Binary Neutron stars vary in period is
problematically confirmed.

Regards
Ken
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