Celestial globe,diagram. Celestial globes show the apparent positions of constellations in the sky. The ecliptic (zig-zagging line down centre) shows the path of the Sun. Diagram from 'A Short Introduction to Natural Philosophy' (1720) by John Questebrune | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / American Philosophical Society |
Taille de l’image : | 2623 px × 3335 px |
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