An astronomical sextant designed by Tycho Brahe
Numéro d’image : 11879756
| An astronomical sextant designed and built by Tycho Brahe,the last of the great naked-eye astronomers. It was built in 1572,in the garden of a house in Augsberg,Germany. The instrument takes its name from the fact that the arc (labelled CB) is one sixth of a circle. It was used for measuring the altitudes of stars (their angular heights above the horizon). The illustration is a copy of one which appeared in Tycho's book Astronomiae Instauratae Mechanica,published in Wandesburgi in 1598 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 3425 px × 5324 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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