Quote:
Originally Posted by strongmanmike
Ok, well imagine you stretch one version of a galaxy image and not the other, now one will have a lighter background than the other, now layer them with the lighter one below the the darker one, now pick an arbitrary place on the edge of the galaxy on top layer and very carefully start painting (revealing ) the layer underneath..you can very carefully reveal a galaxy arm in a place that is simply a lighter background and voila! a new faint galaxy arm YAY!...except there is no real galaxy arm there at all...of course while few would think of being so blatant the technique can cause some good make believe shapes and features
That's all I am saying
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In that particular case you have good point.
What about Ken's videos?