Northern Lights spectacle: The science behind the aurora borealis

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The Northern Lights: The Science Behind the Aurora Borealis

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Unveiling the Science and Magic Behind the Aurora Borealis

Northern lights again seen from rare southern locales; more to

Northern lights were visible this week in the mid-latitudes

Astrotourism: Aurora Borealis – New Space Economy

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what are the northern lights - The Washington Post

Polárna žiara Strelníky 8.10. 2013

The 18 Best Places to See the Northern Lights