- moon-size illusion
- see moon illusion.
Dictionary of Hallucinations. J.D. Blom. 2010.
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moon illusion — Also known as Moon size illusion and horizon illusion. All three terms refer to the Moon s apparently increased size when it approaches the horizon, in comparison with its perceived size when it is in the zenith. The ratio of this apparent… … Dictionary of Hallucinations
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Moon illusion — The Moon illusion is an optical illusion in which the Moon appears larger near the horizon than it does while higher up in the sky. This optical illusion also occurs with the sun and star constellations. It has been known since ancient times, and … Wikipedia
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illusion — illusioned, adj. /i looh zheuhn/, n. 1. something that deceives by producing a false or misleading impression of reality. 2. the state or condition of being deceived; misapprehension. 3. an instance of being deceived. 4. Psychol. a perception, as … Universalium
Moon in fiction — This article is about the Moon as the subject of and inspiration for creative works. For the Moon in mythology and religion, see Moon (mythology). The moon on the coat of arms of Grabow, Germany. The Moon has been the subject of many works of art … Wikipedia
Moon landing conspiracy theories — Astronauts Buzz Aldrin and Neil Armstrong in NASA s training mockup … Wikipedia
Visual Angle Illusion — The visual angle, V degrees, subtended by a viewed object sometimes looks larger or smaller than its actual value, creating a visual angle illusion (V illusion).These V illusions have been explicitly described by many vision researchers,… … Wikipedia
Ponzo illusion — An example of the Ponzo Illusion. Both horizontal lines are the same size. The Ponzo illusion is a geometrical optical illusion that was first demonstrated by the Italian psychologist Mario Ponzo (1882–1960) in 1913. He suggested that the human… … Wikipedia
Exploration of the Moon — Apollo 12 lunar module Intrepid prepares to descend towards the surface of the Moon. NASA photo. The physical exploration of the Moon began when Luna 2, a space probe launched by the Soviet Union, made an impact on the surface of the Moon on … Wikipedia