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1. Second adaptive thin shell mirror delivered to ESO | ESO
... Science User Portal . ... ESO, the European Southern Observatory . ... ESO Acronyms . ... A second shell mirror of remarkable quality has been delivered to ESO by SafranтАУReosc . ... Both mirrors are a mere 2 millimetres thin but 1.12 metres in diameter, and will be crucial for the upgrade of Unit Telescope 4 of ESOтАЩs Very Large Telescope (VLT) to a fully adaptive system. A thin shell mirror is deformed several thousand times per second to compensate for turbulence in the EarthтАЩs atmosphere. ...
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Ссылки http://www.eso.org/public/images/ann14010a/ -- 91.3 Кб -- 10.04.2016
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