Quote:
Originally Posted by Letum
The beam is traveling below light speed.
Points to anyone who knows why.
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no the beam
is traveling the speed of light, it is just traveling at the speed of light through the specific medium (the atmosphere). Laser "beams" always travel at the speed of light, just that the speed of light changes.
Now you are correct that the laser "beam" traveling through the atmosphere is traveling slower than what we think is the maximum speed of light (Speed of light in a vacuum)