Aurora borealis. Artwork of a northern lights (aurora borealis) display,observed in Norway in 1854. Aurorae,displays of coloured lights in the sky,form as charged particles in the solar wind are drawn by Earth's magnetic field to the poles. There,they collide with gas atoms and molecules,causing them to emit light. A group of standing stones is at lower right. Standing stones are large stones erected in the ground by prehistoric cultures,usually to mark the sites of ancient religious ceremonies or burial chambers | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 4325 px × 4075 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |