Welcome! Enter your question below. Please use words like "Who, What, Where, When, Why, How, etc..." in your question. Nothing to ask? Click here for a random, un-answered question.

How long is a light year?

1,021,599questions on
Add New Page
Add New Page Talk0

1 light year = 9,460,730,472,580,800 meters

A light year is the distance that a photon of light travels in one year. It is equal to c × 1 yr.

Also on Fandom

Random Wiki