A ball is dropped from rest near Earth. Neglect air resistance. Justify your answer. a) About how far will the ball fall in 3 s?
b) The same ball is dropped from rest by an astronaut on the moon, where the free fall acceleration is one-sixth that on the Earth. In 3 seconds, how far does the ball fall in?

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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