What is the escape speed from a planet with of radius 4.5 x 103 km which has gravitational acceleration at the surface of 8.2 m/s2

im guessing the west of station b

because growing process had stoped after 4-5 year

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.