16. What is the difference between an asteroid and a dwarf planet? Asteroids do not have enough mass to be called a dwarf planet.

Asteroids do not have a direct orbit with the Sun.

Asteroids do not have enough mass to clear the neighborhood of other objects.

Asteroids do not have hydrostatic equilibrium.

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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