Saturday, October 17, 2020

As ESO was testing the Wendelstein laser guide star unit (Algäu south Germany) by shooting a powerful laser beam into the atmosphere, one of the region’s intense summer thunderstorms was approaching. Credit: ESO/M. Kornmesser


https://bit.ly/3lOH9q2 via /r/spaceporn https://bit.ly/31yu10H

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