An astronomical unit of distance is the light-year, which is the distance light travels in one year. Compute this distance in meters. How many meters away is a star at a distance of 4 light-years from the earth?© BrainMass Inc. brainmass.com June 24, 2018, 8:12 pm ad1c9bdddf
The speed V of light is V=299792458 (m/second). The ...
This solution explains in 38 words how to calculate distance using speed of light and time.