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خُلاصہٕ
تَفصیٖل039 Northern lights over Mývatn (Iceland) Photo by Giles Laurent.jpg
English: Northern lights in the night sky over Mývatn (Iceland). Polar aurorae are caused by the collision of charged particles in the solar wind with gases in the upper atmosphere. These collisions generate tiny flashes of light that fill the sky with veils of colour.
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