Reports

Moon Illusion: An Event in Imaginary Space

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Science  22 Feb 1963:
Vol. 139, Issue 3556, pp. 750-752
DOI: 10.1126/science.139.3556.750

Abstract

The illusion was obtained with artificial moons viewed against a luminous ceiling, and also with an imaginary ceiling induced by first showing a luminous ceiling and then removing it before the moons were introduced.

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