Roemer was the first to measure the speed of light.
You should try to check on sciencebuddies.org
If you try to measure it its still the speed of light : 186,000 miles per second PLUS about 0.2 miles per second.
Light years
They'll leave your car at the speed of light, and when that light passes anybody, they'll measure the speed of the light as it passes them to be the speed of light.
by getting boners.
yes it does
In 1600 Galileo attempted to measure the speed of light using lanterns and shutters
The Danish astronomer Olaus Roemer was the first to measure the speed of light. (within 25 % of the actual value)
Roughly speaking, light moves about a million times faster than sound in air.
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!
The speed of light isn't a distance so it has no length it is a measure of speed, which is roughly 186000 miles per second.
Light travels at about 186,000 miles per second