单词 | very large telescope |
释义 | Very Large TelescopeVery Large Telescope(VLT) An optical telescope of the European Southern Observatory sited on Cerro Paranal in Chile, altitude 2600 meters. It consists of four 8.2-meter telescopes, each with a thin meniscus primary mirror mounted separately on a N–S baseline on an altazimuth mounting. The manufacture of the mirrors was completed between 1999 and 2001. The reflectors are usable in combination (equivalent to a 16-meter single telescope), individually, or as an interferometer. |
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