How Fast Does Light Travel Kilometers Per Hour?

How Fast Does Light Travel Kilometers Per Hour? Sunlight takes about 8 minutes and 17 seconds to travel from the Sun to Earth (using the average distance). Exact values metres per second 299792458 Approximate values (to three significant digits) kilometres per hour1080000000 How many km does light travel per hour? In a perfectly empty vacuum,

How Long To Travel Forty Light Years?

How Long To Travel Forty Light Years? Thus, the TRAPPIST-1 star system is roughly 235 trillion miles away. Traveling at the speed of light, it would take approximately 40 years to reach TRAPPIST-1…which, in cosmic terms, is a neighborly jaunt. How long would it take to travel 1 Lightyear? It will take about 17500 years