Monday, October 10, 2016

A Strange Glow

For John, BLUFYou won't see this with a helo flying over Lowell.

The Kopp-Etchells Effect.

Michael Yon.

The photos at the link are pretty neat, but I am not reproducing them due to unknown copyright rules.  That is, are they in the public domain or do they belong to Michael, or to someone to whom Michael sold the rights?

Regards  —  Cliff

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