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On Fri, 28 Nov 2003 16:00:35 -0500 (EST), "Wolf Kirchmeir" <[EMAIL PROTECTED]> in comp.ai.philosophy wrote:
On Fri, 28 Nov 2003 19:59:54 GMT, Lester Zick wrote:
According to Glen there are NASA photos taken throughout the course of moonrise which show no apparent change in the size of the lunar disc
from low to high altitude. Now what this means is that Glen claims
that there is no illusion present, that what I see is simply not there and presumably that there is nothing to explain. In other words on the evidence Glen claims the illusion is simply not real because camera photographs do not show it.
The problem I have with this explanation is that it denies the reality of the illusion in order to explain the illusion. Now I don't mind if the effect turns out to be an illusion but I do mind if the effect is not present at all - which is what Glen's arguments amount to.
No, Glen's arguments are based on the fact that the mirage can be photographed, and the moonrise illusion cannot. The mirage is objectively there - you are looking at a real image when you see it. The larger moon at moonrise is not objectively there - you are exaggerating its size when you see it.
Well at least this is a reasonable approach to the problem. It might be an exaggerated interpretive effect.
This subjective exaggeration of size is not limited to the apparent size of the moon at moon rise. The amateur photographer suffers from it too - how many pictures "didn't come out right" because the snapshooter saw Aunt Maude as much bigger than she really was in the picture field? Etc.
You know the only problem I find with this explanation is that I don't seem to be able to compensate for the interpretive visual effect. It doesn't matter how many times I look at it or under what conditions it still comes out the same way.
Just what sort of "compensation" do you expect to be able to perform? Such effects aren't under conscious control.
-- <J Q B>
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