I came accross this while looking at other political items anwas kind of surprised to find it where I did. Apparently a long known about effect by
aircraft/helicopters has now been named.It is a pretty cool effect and this link has lots of linked pictures of the effect.
Kopp-Etchells Effect. I was
going to post this in the UFO forums, but decided against it as I would have probably been accused of disinfo or trying to debunk UFO's  And I
don't have the patience to get into a UFo pissing match...either way enjoy!
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