Quote:
Originally Posted by HumanoidLookingRobot
what we should really be asking is where did they find the smallest woman on earth? I mean corona bottles are only like 6 inches tall, and she's clearly smaller than that.
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As objects become more distant, they appear smaller, because their angular diameter (visual angle) decreases. Your view on the world could be thought as an onion where each little layer represents a distance from the eye. As the distance gets larger, the surface area of that layer of onion becomes larger and larger. Because you see things in angles, the angle seen of an object would decrease because the object would take up a smaller amount of surface area at the larger distance. Subsequently, objects that are farther away would seem smaller.