Light, and any other electromagnetic wave. Also, gravitational waves.
Neutrinos do not travel at the speed of light, but they do move very close to the speed of light.
They can ONLY move slower than the speed of light.
Light is faster because speed does not move. Speed is a measure of the rate of movement but, in itself, it does not move - at all!
speed of light
speed of light
No, black holes do not move at the speed of light. While they can exert a strong gravitational pull, their movement is not necessarily tied to the speed of light.
So far nothing is found to move at a faster speed than that of light.
No, because the orbital is really just an abraction - the electron isn't racing around the orbital like a racecar, so there isn't a speed. The orbital is a better measure of the electrons potential energy.
no. it is simply impossible to fly at the speed or light. the only thing in this galaxy that can move at the speed of light is light. othewise it is phisically and croneologically impossible.
All forms of electromagnetic radiation move from place to place at the speed of light.
Yes, a photon moves at the speed of light, because photons have no mass.
No, the cathode ray is faster than the speed of light.