Star trails over river gorge. Time-exposure image of stars forming light trails in the sky over the Pulo do Lobo cascade in a gorge on the Guadiana Ri

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Star trails over river gorge. Time-exposure image of stars forming light trails in the sky over the Pulo do Lobo cascade in a gorge on the Guadiana River, in the Alqueva Dark Sky Reserve, 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 2018.

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Size: 4830px × 7237px
Photo credit: © MIGUEL CLARO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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