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 amazing space wallpaper.
Laser Beam, Lightning Strike Space Wallpaper
On Thursday 18 August, the sky above the Allgäu Public Observatory in southwestern Bavaria was an example of two very different phenomena: one an example of advanced technology, and the other of nature’s dramatic power.
(Image: © ESO/M. Kornmesser)
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