Astronomers observing stars using a theodolite,able to measure both vertical and horizontal distances,and consulting Sanskrit texts on astronomy and trigonometry known as the Siddhantas | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NYPL / Science Source |
Bildgröße: | 3388 px × 3293 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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