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| Description: Northern Lights on a Clear Winter Night Ions, formed by the collision of fast-moving charged particles ejected from the Sun with atoms of gas in the atmosphere, create the polar auroras Picture Stats: Views: 648 Filesize: 105.55kB Height: 939 Width: 1402 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18971 |