Recent content by Jon Mel

Ok thanks guys, that knocks that idea on the head! I'd still be interested to know if photons, being at the relativistic velocities they are, can indeed exert a gravitational effect even if it is infinitesimally small. If true, then surely this would negate the possibility of combining...

Hello PPer's, I have been considering the effect to which electromagnetic radiation emitted from stars might play in the gravitational coalescence of galaxies. Surrounding every galaxy there must be a halo of electromagnetic radiation streaming outwards at the speed of light which diminishes...