European Southern Observatory
  • Sited on La Silla, an Andean peak in Chile, the ESO is used by astronomers from a consortium of continental European countries and by Chilean scientists needing to observe the Southern sky from a southern location with good sky conditions. It has two 3.6m telescopes. The ESO expanded by building a new telescope, the Very Large Telescope, on a different mountain, Cerro Paranal, in 2005 and 2006. ESO’s head office is in Munich, Germany.

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