Moon Illusion | Clipmarks


	Moon Illusion

EddieIsSteady

10-7-2009 6:44 AM

110 views

tags:

optical-illusions

1 Comment |

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10-7-2009 10:02 AM

lollipop10

interesting--it just doesn't look quite the same...

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color:#ff33ff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/2d254197-0c8a-4e61-aa48-83fd5bb639eb/EDBDD6EF-E997-4031-93C3-D08268E97662/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.michaelbach.de/ot/sze_moon/index.html" href="http://www.michaelbach.de/ot/sze_moon/index.html" style="font-size: 11px;">www.michaelbach.de</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.michaelbach.de/ot/sze_moon/index.html">Moon Illusion</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.michaelbach.de/ot/sze_moon/index.html">From <A href="http://www.michaelbach.de/ot/sze_moon/../../index.html">Michael’s</A> “<A href="http://www.michaelbach.de/ot/sze_moon/../index.html">Optical Illusions & Visual Phenomena</A>”</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.michaelbach.de/ot/sze_moon/index.html">
<TABLE width="95%" cellspacing="0" cellpadding="3" border="1" align="center"><TBODY><TR><TD valign="top"><A class="noUnderline" href="javascript:alert('This link contains javascript. Please visit the clip source to follow this link.');" target="_self"><IMG width="337" height="429" border="0" name="Image3" alt="Moon Illusion" src="http://www.michaelbach.de/ot/sze_moon/moon-0.jpg" /></A></TD></TR></TBODY></TABLE></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.michaelbach.de/ot/sze_moon/index.html"><P>The “moon illusion” lets objects near the horizon look larger than when the same object is high on the sky.</p> <P>The moon in the neighbouring picture  is of “aesthetically correct” size. By placing the mouse over the picture the actual size is seen (picture by Henri Daumier, after an idea by Rock 1984).</p> <P><I>Comment.</I> The moon illusion is usually explained through size constancy, with the additional –and necessary– assumption that the ‘default’ distance for any object is less than the horizon/skyline distance</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.michaelbach.de/ot/sze_moon/index.html">Donald E. Simanek has a nice <A rel="nofollow" target="_blank" href="http://www.lhup.edu/~dsimanek/3d/moonillu.htm">overview of moon-illusion explanation attemps</A>.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/EDBDD6EF-E997-4031-93C3-D08268E97662/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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