Show more answers 7 Still have questions. The speed of light and all other electromagnetic radiation in a perfect vacuum is known as c and measures 299792458 meters per second per the formal definition of the meter. Traveling at 299792458 ms how far does light travel in 7.
The speed value 299792458 ms meter second in words is two hundred and ninety-nine million seven hundred and ninety-two thousand four hundred and fifty-eight ms meter second.
With much by CalculatePlus. The speed of light is 299792458 ms. It is first noticed by Isaac Beeckman in 1629 who set up a series of mirrors around a gunpowder explosion to see if observers noticed any difference in the when the flashes of light appeared. Its exact value is defined as 299 792 458 metres per second approximately 300 000 kms or 186 000 mis.