Why is the moon small when it is high overhead in the sky, and large when it is near the horizon?

  1. Near the horizon, the brain scales the size of the moon to trees and buildings.

  2. The moon is actually much closer when it is near the horizon, and thus appears larger.

  3. The physical act of rolling the eyes upwards (towards the sky) encourages the brain to interpret objects to be smaller than they are.

  4. When the moon is viewed near the horizon, one is actually viewing its reflection against the earth's ozone layer. This image is a shrunken version of the actual moon.


Correct Option: A

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