On Wednesday, March 20, 2019 at 10:08:53 AM UTC-6, John Clark wrote: > > On Wed, Mar 20, 2019 at 9:16 AM <[email protected] <javascript:>> wrote: > > * > how does GR establish the Principle of Relativity (for accelerating >> frames)? AG * >> > > It doesn't, Einstein never said everything is relative. Unlike velocity > there is such a thing as absolute acceleration, if that were not true the > Twin Paradox could not be resolved. > > John K Clark >
But in GR don't the field equations take the same form in all frames, including accelerating frames, which if I understand correctly,* IS* the Principle of Relativity? TIA, AG -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
