Northern Lights over Hvita river. Aurora Borealis (Northern Lights) display over waterfalls streaming out of a lava field and into Hvita river, Iceland. The Aurora Borealis is a coloured light display that is visible in the night sky, usually only at high latitudes. It occurs when charged and energetic particles from the Sun (the solar wind) are drawn by Earth's magnetic field to the polar regions. Hundreds of kilometres up, they collide with gas molecules and atoms, causing them to emit light. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tafreshi, Babak |
Bildgröße: | 3760 px × 5634 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |