Night sky over a hill Sirius star and Orion constellation upper centre seen over Pampilhosa da Serra hill, Aldeias do Xisto Dark Sky Reserve, Portugal., Photo by MIGUEL CLAROSCIENCE PHOTO LIBRARY Stock Photo - Afloimages
Sirius star and Orion constellation (upper centre) seen over Pampilhosa da Serra hill, Aldeias do Xisto Dark Sky Reserve, Portugal., Photo by MIGUEL CLARO/SCIENCE PHOTO LIBRARY