Quote:
Originally Posted by Archy
What an arrogant reply!
You say:
"time dilation is a property of an expanding Universe cosmology, not a relativity issue."
Yet Wikipedia says:
"Gravitational time dilation is the effect of time passing at different rates in regions of different gravitational potential; the lower the gravitational potential, the more slowly time passes. Albert Einstein originally predicted this effect in his theory of relativity and it has since been confirmed by tests of general relativity." |
You obviously have a problem with basic comprehension skills.
Here is my original quote.
Quote:
Relativity also "applies" to non expanding cosmological models where time dilation doesn't exist.
Metric expansion (cosmological redshift) is a property of the cosmological model not GR.
The only form of redshift which is derived by GR/SR is gravitational redshift.
|
The discussion centres around time dilation effects due to cosmological redshift
not gravitational redshift.