Aurorae around both poles of Saturn. Aurorae are formed when charged particles in the solar wind are channelled to a planet's poles by its magnetic field, where they collide with atmospheric gas molecules, exciting them and causing light emission. On Earth they are seen as the northern and southern lights.<br>Restrictions: | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / HUBBLE / ESA / L CALCADA / M KORNMESSER |
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