borealis aurora sweeps over a main road on a cloudless night in kilpisjarvi, lapland, finland. aurora polaris in green dances

abstract antarctic antarctica arctic astronomy aurora borealis energy exposure fairytale finland finnish finnmark fjord galaxy geomagnetic glow glowing gradient green ionosphere kilpisjarvi landscape lapland lights long luminescence magnetic magnetosphere magnificent mysterious mystical nature north northern northernlights norway norwegen phenomenon polar pole saana scandinavia scenery snowscape twilight universe valley wildlife winter