Aurora Borealis or Northern Lights. Caused by high-speed particles ejected from the Sun,they are most commonly observed during periods of maximum sunspots. From The Beauty of the Heavens by Charles F Blount (London,1845). Coloured lithograph | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 3264 px × 2683 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |