[kanawa]

Don't know why FReepers are so quick to credit 'exhaustive investigations' and ignore the evidence of their own eyes.

Because interpetation of visual data can be faulty.
It can be influenced by preconceived notions, perspective illusions, contrast and color effects.

[justlurking]

It can be influenced by preconceived notions, perspective illusions, contrast and color effects.

And digital artifacts. A digital video camera essentially does approximations between frames and records only a limited set of differences. At extreme ranges, extremes in contrast, and limited bandwidth, the artifacts can become significant.