ECKHARD SLAWIK / SCIENCE PHOTO LIBRARY ECKHARD SLAWIK / SCIENCE PHOTO LIBRARY
Optical telescope. Calar Alto Observatory near Almeria, southern Spain. The mounting (blue) supports the telescope's mirror. The Calar Alto Observatory, situated at an altitude of around 2150 metres, is run jointly by the Spanish National Commission for Astronomy and the German Max Planck Institute for Astronomy.
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