Lightspeed is identical for all inertial observers. It is a mathematically unavoidable consequence of Lorentz Invariance. Massed particles cannot travel at lightspeed. The point of view of a photon is not an inertial frame of reference.


Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz3.pdf