Question

A laser beam of light csn be bouncedoff the Moon (from a special mirror left there by astronauts). The light travels there and back in 2.6 seconds. What is the distance to the Moon?

Answer 1

Light travels at 299 792 458 m / s or 299,792.458 km / s.

Multiply: 299,792.458 km * 1.3 to find the distance.