posted on Aug, 30 2014 @ 11:11 AM
I've seen this a couple of times. The contrail was probably right in line with the sunlight and the trail left a shadow that followed in line with
the old faded contrail.
Something even cooler than that I saw once was a small cluster of clouds at the horizon at sunset. The cluster was a symmetrical group of the same
sized clouds. They left shadow lines that crossed the whole sky. Each line got wider in the middle of the sky and skinny again towards the other
horizon. It made the whole sky resemble the colors of a watermelon, and the sunset was one of the most beautiful I've ever seen.
I think either the Japanese or Chinese flag may be based on the same thing.
The pic wouldn't be a commercial solar job being staged would it?