Northern lights, timelapse

Référence de la vidéo 12080793
Timelapse footage of the Aurora Borealis, or northern lights, above a layer of stratocumulus clouds. Beneath the clouds is the glow from city lights. Auroral displays are caused by interactions between energetic charged particles from the Sun, and the Earth's atmosphere. Moving at 400-500 kilometres a second, the charged particles of the solar wind are drawn by Earth's magnetic field to the poles, where they collide with gas atoms and molecules, causing them to emit light. Green light is from oxygen atoms. Filmed in Minnesota, USA, in spring.
Licence : Libre de droits
Crédit : Science Photo Library / Conzemius, Bob / Weathervideohd.tv
Model Release : Non requis
Durée : 23 Secondes
Aspect ratio : 16/9
Restrictions : -

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