BABAK TAFRESHI / SCIENCE PHOTO LIBRARY BABAK TAFRESHI / SCIENCE PHOTO LIBRARY
Star trails above La Silla Observatory. Time-exposure image of star trails in the night sky over part of La Silla Observatory, in the Atacama desert of northern Chile. At left is the building housing the ESO 3.6-metre telescope, operated by the European Southern Observatory. The site is at an elevation of 2400 metres. Photographed in 2016.
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