Famous Wiki Speed Of Light Travel Ideas. According to the special theory of relativity, c is the upper limit for the speed at which conventional matter or. Its significance is far broader than its role in describing a property of electromagnetic waves.

The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; All forms of electromagnetic radiation move at exactly this same speed in vacuum. Relativistic time dilation allows a traveler to experience time more slowly, the closer their speed is to the speed of light.





