VLT Laser Guide Star Facility

VLT Laser Guide Star Facility

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Restrictions: This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

Caption: Laser Guide Star Facility at the European Southern Observatory's VLT (Very Large Telescope), Cerro Paranal, Chile. The laser (PARSEC) produces this orange beam to create a guide star in the atmosphere. This facility began operating on 28 January 2006, in the VLT's Yepun telescope (centre). By focusing on the artificial guide star, VLT telescopes are calibrated to remove the effects of the atmosphere on observations, a process known as adaptive optics. The beam is pointing directly upwards at the galactic centre of the Milky Way, the band of stars crossing the sky. Two other VLT telescopes are also seen. Photographed in August 2010.Restrictions:.

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Keywords: 2010, 21st century, adaptive optics, ao, astronomical, astronomy, astrophysical, astrophysics, beam, building, buildings, calibrating, cerro paranal, chile, chilean, dome, domes, eso, european southern observatory, fish-eye-lens, galactic, galactic centre, galaxy, guide star, laser guide star facility, laser light, lgsf, milky way, night sky, optical telescope, outdoors, outside, paranal artificial source for extended coverage, parsec, south america, south american, space, technological, technology, telescope, very large telescope, vlt, yepun

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