In reply to  Eric Walker's message of Sun, 28 Jan 2018 11:26:56 -0700:
>On Fri, Jan 26, 2018 at 3:58 PM, <> 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.


Robin van Spaandonk

local asymmetry = temporary success

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