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Telescope with 42m (!) diameter mirror to be built in Chile

On 26 April 2010, the European Southern Observatory Council has announced that they have selected Cerro Armazones as the baseline site for the planned 42-metre European Extremely Large Telescope (E-ELT). Cerro Armazones is a mountain at an altitude of 3060 metres in the central part of Chile’s Atacama Desert, some 130 kilometres south of the town of Antofagasta and about 20 kilometres from Cerro Paranal, home of ESO’s Very Large Telescope.

ESO’s next step is to build a European extremely large optical/infrared telescope (E-ELT) with a primary mirror 42 metres in diameter. The E-ELT will be “the world’s biggest eye on the sky” — the only such telescope in the world. ESO is drawing up detailed construction plans together with the community. The final go-ahead for construction is expected at the end of 2010, with the start of operations planned for 2018.

Night at the ESO Astronomical Site Monitor on Cerro Armazones in the Chilean desert, near ESO's Paranal Observatory, site of the Very Large Telescope (VLT). Cerro Armazones was chosen as the site for the planned European Extremely Large Telescope (E-ELT), which, with its 42-metre diameter mirror, will be the world’s biggest eye on the sky. Image courtesy ESO

Article prepared from information provided by a ESO media release.

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