Scott Air Force Base, IL Demographic Information *. There is no Census data for the city of SCOTT AIR FORCE BASE, IL. We have pulled information for the ZIP Code 62225 instead.
A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More p recisely, one light-year is equal to 9,500,000,000,000 kilometers.
The distance is measured in light years. Light from our Sun (Sol) takes about 8 minutes to reach us. The distance from us to Sol is quite great, and it takes minutes. Imagine how far the light would get in a year, and you've got light years.Several light years away lies the nearest star to us, other than Sol.he distance is measured in light years. Light from our Sun (Sol) takes about 8 minutes to reach us. The distance from us to Sol is quite great, and it takes minutes. Imagine how far the light would get in a year, and you've got light years.