[extropy-chat] Strange Phenomenon - Cloud Rings

[Hara Ra]

If you drop a bit of ink into water, you get small rings which look a lot 
like some of the pictures. As sun heats ground, 'bubbles' of air rise. If 
one of these was surrounded by moist air, result might be a ring per some 
of the photos.

>I saw something extremely odd, but exciting today that I can't explain. It 
>was a pair of cloud rings in the sky.
>Kevin Freels

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