Sunspots. Observations of the passage of sunspots across the solar disk in December 1625 and January 1626. From Rosa Ursina by Christoph Scheiner (Bracciano,1630). Engraving | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 2945 px × 2975 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |