Quote:
Originally Posted by Shiraz
thanks very much for the insight - I hadn't taken this on board, even though I was well aware that redshift reduces photon energy (it never occurred to me to ask where it went)  .
I found this blog by a CalTech physicist that is clear enough for me to understand. http://www.preposterousuniverse.com/...not-conserved/ |
Thanks for the link Ray.
Sean Carroll gives an excellent description.
Regards
Steven