A high speed solar wind stream is buffeting Earth's magnetic field, and this is causing geomagnetic activity around the poles. Zoltan Kenwell of Edmonton, Alberta, witnessed this display on July 27th:

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© Zoltan Kenwell/InFocus Imagery Inc.
"It was a beautiful night on the Alberta prairies," says Kenwell. "Aurora activity was subtle, but definitely present. The full Thunder Moon was lighting up the canola fields and the arrival of a few noctilucent clouds just put the icing on the cake!"

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© Zoltan Kenwell/InFocus Imagery

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