Quote:
Originally Posted by Initiate
In all the vids it looks more like a plasma kind of effect in the spiral than a Gas. It is too steady and independent of air movement.
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If you look at all of the available pictures you will see that it spreads and diffuses gradually. There is no air movement above Earth's atmosphere, so that does not apply to the comments I made. The illumination comes from the sun which is just below the horizon. You can see the red light of dawn in some of the pictures.