The Moon illusion refers to our tendency to perceive the Moon as unusually

A) large when it is near the horizon.
B) large when it is high in the sky.
C) bright when it is near the horizon.
D) bright when it is high in the sky.

The Moon illusion refers to our tendency to perceive the Moon as larger when it is near the horizon, even though it is actually the same size as when it is higher in the sky. This is due to various factors such as the Ponzo illusion, where the Moon appears larger when surrounded by objects on the horizon, and the Ebbinghaus illusion, where the apparent size of the Moon is influenced by the size of nearby objects.