How Fast Does Light Travel From Proxima Centauri To Earth?
How Fast Does Light Travel From Proxima Centauri To Earth? It is traveling away from the Sun at a rate of 17.3 km/s. If Voyager were to travel to Proxima Centauri, at this rate, it would take over 73,000 years to arrive. If we could travel at the speed of light, an impossibility due to