In reply to Eric Walker's message of Sun, 28 Jan 2018 11:26:56 -0700: Hi, >On Fri, Jan 26, 2018 at 3:58 PM, <mix...@bigpond.com> wrote: > >Below: The conversion of matter into energy causes spacetime, and thus the >> universe, to expand, since light has inertial but no gravitational mass. > > >Note that this sets up the weird situation of photons being influenced by >gravity (e.g., gravitational lensing, the Schwarzschild radius of a black >hole), but not having a reciprocal influence in return.
...which would make sense if light simply followed the curvature of space. > >Eric Regards, Robin van Spaandonk local asymmetry = temporary success
