Its speed has been measured accurately, using lasers.
light travels very fast! it travels in the form of waves.
Light. Nothing moves faster than light
Light travels at 299,792.211 km per second in a vacuum.
no from what i have learned light travels faster then sound
We use light years to tell us how fast light travels.
Light travels at the rate of about 300,000 km a second.
1 light-year is 9,460,700,000,000 kilometers.
1)Light travels in a straight direction.2)Light travels very fast with the speed of 300,000,000 meters per sec.3)Light travels in all directions.4)Light travels in vacuum(empty space).5)Light reflects.6)Light refracts.
lighting travels at the speed of light
That means how fast it travels. ==================== c
The speed of light is not dependent on how long time it travels.
it is 3.5 billion times fast in a milli-second I don't know where this answer came from or what it means BUT - sound travels at roughly 700 mph in air at sea level; - light travels at 186,000 miles per second in a vacuum; - assuming we compare sound in air (as it can't travel in a vacuum) and light in a vacuum (as it can slow through a medium such as air or water), then light travels at 830,000 times the speed of sound.