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Paranal Observatory
Paranal Observatory is an astronomical observatory operated by the European Southern Observatory (ESO); it is located in the Atacama desert of northern Chile on Cerro Paranal at altitude, south of Antofagasta. By total light-collecting area, it is the largest optical-infrared observatory in the Southern hemisphere; worldwide, it is second to the Mauna Kea Observatory on Hawaii.
The Very Large Telescope (VLT), the largest telescope on Paranal, is composed of four separate telescopes. In addition, the four main telescopes can combine their light to make a fifth instrument, the Very Large Telescope Interferometer (VLTI). Four auxiliary telescopes of each are also part of the VLTI to make it available when the main telescopes are being used for other projects.
The site also houses the VLT Survey Telescope and VISTA survey telescope with wider fields of view for surveying large areas of sky uniformly.
== Telescopes ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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