Galileo's observation of sunspots. Illustration and Italian text about the pioneering sunspot observations made over several months in 1612 by Italian astronomer Galileo Galilei (1564-1642). Galileo was one of the first people to observe sunspots,making his observations using his telescope to observe them indirectly and at sunset and sunrise. He published his observations in 'Istoria e Dimostrazioni Intorno Alle Macchie Solari e Loro Accidenti' (1613,History and Demonstrations Concerning Sunspots and their Properties). Sunspots are areas of magnetic activity that are cooler than the rest of the Sun's surface | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 2486 px × 3543 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |