Data is missing but assuming the values: Equation is as follows: (1-β^2) = 10/150 β =v/C = 0.99 v = 0.99 C
As, Distance = Velocity * Time So, 1st Distance= 0.99 C* time = 0.99 C*150 years = 148.5 light years 2nd Distance = 0.99 C* time = 0.99 C*10 years = 9.9 light years
