When the Moon is on the horizon, it appears larger than when it is high in the sky. Why?
A) When it is on the horizon, it is closer to us.
B) This is an optical illusion.
C) The brightness of the Moon makes it seem larger.
D) Earth's atmosphere acts like a lens, magnifying it.
E) Its angular size is larger on the horizon.

Question

Quizplus · Accepted Answer

This phenomenon is known as the "Moon illusion," where the Moon appears larger near the horizon due to visual perception, not because of any physical change in size or distance.

When the Moon Is on the Horizon, It Appears Larger