On Thursday, July 23, 2020 at 5:56:32 AM UTC-5 [email protected] wrote: > > > On Saturday, July 18, 2020 at 6:31:23 AM UTC-6, Alan Grayson wrote: >> >> >> >> On Saturday, July 18, 2020 at 6:18:28 AM UTC-6, Lawrence Crowell wrote: >>> >>> The tortoise coordinates is found from the Schwarzschild metric >>> >>> ds^2 = (1 - 2m/r)dt^2 - (1 - 2m/r)^{-1}dr^2 - r^2dΩ^2 >>> >>> where for a signal leaving a point near the black hole with ds = 0 (null >>> path) and propagating radially out, dΩ = 0, we have dt = dr/(1 - 2m/r) >>> which then leads to >>> >>> T = t - t0 - 2m ln|r - 2m|. >>> >>> That is the tortoise coordinate. Please look this up to read further. I >>> can't spend beaucoup time going over this for weeks to come. >>> >>> LC >>> >> >> You don't have to. We're done. But you should IMO address Brent's >> objection, maybe on another thread. AG >> > > When it comes to GR, you're a genius; no question about it. I wouldn't > want to waste your valuable time. But consider this; the Schwartzschild > metric applies to NON-ROTATING masses. Do you really think a massive > contracting star which forms a BH will be non-rotating? Obviously, it will > be RAPIDLY rotating, like an ice skater who contracts her arms. Brent also > had some substantive questions about your model. But I see you prefer your > illusions than to address his objections. AG >
The result is similar, but more complex. The same calculation can be done for the Kerr solution. It is just a lot more complicated mathematically. LC -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/5b3752f7-55da-4c90-bc8b-11e1b8f42344n%40googlegroups.com.
