General Studies · Sensation and Perception
What perceptual mechanism best explains why the Moon appears larger near the horizon compared to when it is overhead?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Retinal enlargement where the physical shape of the retina temporarily flattens at low elevations.
- 2Atmospheric magnification where the Moon is physically magnified by the Earth's atmosphere when near the horizon.
- 3Size-distance scaling based on apparent-distance theory where the horizon Moon's constant retinal image is perceived as larger because it is inferred to be farther away.✓
- 4Linear perspective cues where converging depth cues make the horizon Moon look closer, hence scaled down.
Correct answer
Size-distance scaling based on apparent-distance theory where the horizon Moon's constant retinal image is perceived as larger because it is inferred to be farther away.
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