Sunspots. Scheiner's observations of the passage of a sunspot across the solar disk,May 1625. From Rosa Ursina by Christoph Scheiner (Bracciano,1630). Engraving | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UIG / Universal History Archive |
Taille de l’image : | 2956 px × 2956 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |