Star trails over Roman ruins. Time-exposure image of stars forming light trails behind the ruins of the southern gate tower of the Roman city of Ammaia, Portugal. Star trails (here circling the northern celestial pole) are created on long-exposure images by the Earth's rotation on its axis. Photographed in 2015. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / MIGUEL CLARO |
Bildgröße: | 3648 px × 5472 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |