If you could travel at the speed of light how long would it take to travel from one side of the milky way galaxy to the other

Respuesta :

V=D/T
299 792 458 m/s= 100,000 light years / 
299 729 458= 1,000,000,000,000,000,000 km / T
T= 3849225113 s or 241 years 
Hope this helps