File:Ponzo illusion.gif

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Ponzo_illusion.gif ‎(225 × 166 pixels, file size: 11 KB, MIME type: image/gif, looped, 2 frames, 6.0 s)

Captions

Captions

Example of the Ponzo illusion

Licensing[edit]

Description
English: Ponzo illusion
Date before 20 June 2005
date QS:P,+2005-06-20T00:00:00Z/7,P1326,+2005-06-20T00:00:00Z/11
Source NASA - Summer Moon Illusion (image link)
Author Tony Philips, National Aeronautics and Space Adm.
Permission
(Reusing this file)
Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
Warnings:

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Date/TimeThumbnailDimensionsUserComment
current20:09, 24 September 2006Thumbnail for version as of 20:09, 24 September 2006225 × 166 (11 KB)Bluemoose~commonswiki (talk | contribs)

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