In this electrifying space wallpaper, taken on Friday June 7, 2013, a furious thunderstorm is discharging its mighty rage over Cerro Paranal. The colossal enclosures of the four VLT Unit Telescopes, ...
The new laser guide star unit of the Allgäu Public Observatory in southwestern Bavaria, Germany, tests a powerful laser beam on August 18, 2011, while lightning also flashes in the background in this ...
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