> In relativistic terms, the photon leaving the Sun and arriving at the earth can be considered to be simultaneous. No they cannot, unless you boost to a refer

> In relativistic terms, the photon leaving the Sun and arriving at the earth can be considered to be simultaneous. No they cannot, unless you boost to a reference frame that's moving at the speed of light, which is a useless frame. In all other frames, including the ones we are in, the photon left the Sun before arriving to Earth.