1. The problem statement, all variables and given/known data If the distacne of the star from earth is 4.2 light years away , how long does it take for light from the star to reach earth ? 2. Relevant equations s=vt 3. The attempt at a solution 4.2 light years = 3 x 10^8 x 3600 x 365.25 x 4.2 m/s Is my conversion correct ?