how can anyone calculate a light year?
No a light year is a measurement of distance. If something is 1 light year away it means it would take light 1 year to reach it. And light travels extremely fast so it would be really far away.
A light year is the distance that light will travel in one earth year. It is a measurement of distance.
No. A light year is a measure of distance - how far light will travel in a year To calculate, take the distance light travels in a second - about 186,282.3960 miles per second. Multiply by 60 to get a light *minute* - 11176943.76 miles Multiply by 60 again to get a light *hour*. - 670616625.6 miles Multiply by 24 to get a light *day*. - 16094799014.4 miles Multiply by 365.25 to get a light *year*. - 5878625340009.6 miles An Earth year is a measure of time, namely, how long it takes for Earth to orbit the sun once.
A light year is a unit of distance, not time. It the distance light travels in one year.
A light year is a measure of distance, not of time. 1 light year is the distance that light travels in 365.2422 days.
