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| Description: Interactions between the ionosphere and subatomic particles emitted from the Sun excite atmospheric gases causing the aurora borealis (northern lights) and the aurora australis (southern lights) the ionosphere is supplied with ions, electrically charged particles. Picture Stats: Views: 294 Filesize: 43.44kB Height: 419 Width: 575 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=30744 |