ESO is one of the world's leading research organisations. It is dedicated to astronomy and astrophysics, and operates the La Silla Paranal Observatory in the Atacama desert in Chile, on behalf of its thirteen member states.

ESO, the European Southern Observatory, builds and operates a suite of the world's most advanced ground-based astronomical telescopes.

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Austria to join ESO on 1 July 2008
  
At a ceremony in Vienna, the Austrian Minister for Science and Research, Johannes Hahn and the ESO Director General, Tim de Zeeuw, signed the formal Accession Agreement between Austria and ESO, paving the way for Austria to join ESO as its 14th member state by 1 July this year.

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