A light-year (ly) is the distance light travels in one year (at speed of 2.998 × 108 m/s ). An astronomical unit (AU) is the average distance from the Sun to Earth, 1.50 ×108 km. 1 year = 3.156 × 107 s.How many meters are there in 4.90 ly ?
.
Hi there! Click one of our representatives below and we will get back to you as soon as possible.