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  • theworldwelivein: Kiruna Aurora | Kiruna, Norrbotten, Sweden© antonyspencer For those who wonder why some of the aurora is blue and some of it is green, the blue is created by nitrogen and the green by oxygen.

    theworldwelivein:

    Kiruna Aurora | Kiruna, Norrbotten, Sweden
    © antonyspencer

    For those who wonder why some of the aurora is blue and some of it is green, the blue is created by nitrogen and the green by oxygen.

    (via anygoddamnedcolleen)

    Tagged: europe places i want to go space sweden weather science

    Posted on January 18, 2012 via the world we live in with 1,227 notes

    Source: Flickr / antonyspencer

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