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.
1 light year is the distance light can travel in vacuum in one year s time this distance is equivalent to roughly 9461000000000 km or 5878000000000 miles this is such a large distance for comparison consider the circumference of the earth when measured at the equator 40075 km