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Alaska Wiki

An abandoned igloo resort hotel in Alaska / mythical dome of the White North. photo by Sara Heinrichs

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von National Geographic News

New Aurora Pictures: Sky Shows Sparked by Sun Eruption

Aurora Borealis in Ersfjord, Norway. During the Northern Hemisphere's autumn and spring, solar magnetic fields are oriented in just the right way to cause "rips" in Earth's magnetic field. The resulting increase in solar wind on Earth encourages auroral sky shows but can also damage satellite technology and electrical grids on the ground. (National Geographic)

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