How long would it take a brown dwarf star, five times the size of the Earth, to travel 450 light years, at 3500 mph?
time = distance/speed
1 ltyr = 5.88*10^12 miles
5.88*10^12/3500 = 1.68*10^9 hours
1 ltyr = 5.88*10^12 miles
5.88*10^12/3500 = 1.68*10^9 hours