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Earthquake Thread ~ Always Updated*5.7 Southeast of Loyalty Islands*5.2 Central Mid-Atlantic Ridge*5.2 Fiji ~ Pg 20429
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Simple27 |
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ALTERNATE AURORAS: On Jan. 24th, photographer Dave Bell of Pinedale, Wyoming, witnessed a display of colorful lights in the sky. They looked liked auroras--but they were not. They're light pillars, caused by ice crystals in the air which intercept urban lights and spread them into colorful columns. Sometimes called "false auroras," no solar activity is required for the phenomenon. The only ingredients are ice and light pollution. "We had a really terrific snowstorm in Pinedale for 36 hours," says Bell. "As the storm cleared and temperatures plummeted, fine crystals of ice filled the air and we were treated to a spectacular display of pillars. A friend recently commented that light pillars are like our version of the aurora borealis." [ link to spaceweather.com] Full Size Image (same image as in GFG's second link above and the link I posted in response) [ link to spaceweathergallery.com] [ link to spaceweathergallery.com]
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