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The four laser guide stars 4LGSF of ESO's Very Large Telescope at Cerro Paranal, seen from inside the telescope dome

File: D5A8249.jpg

Title: The four laser guide stars 4LGSF of ESO's Very Large Telescope at Cerro Paranal, seen from inside the telescope dome

The four laser guide stars 4LGSF of ESO's Very Large Telescope at Cerro Paranal, seen from inside the telescope dome

Credit: Gerhard Hüdepohl / atacamaphoto