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Meadowlark Optics - Wave Plates 6/24 LB 2024

Webb Telescope Optical Testing Complete; Construction Progresses

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Optical testing has been completed on a replica of NASA's James Webb Space Telescope (JWST) while construction of the real McCoy reached a critical milestone. Engineers are testing nonflight equipment on a mockup called Pathfinder, which copies the Webb telescope's center section backplane. Engineers inspect the Pathfinder telescope after its second super-cold optical test at NASA's Johnson Space Center in Houston. Images courtesy of Chris Gunn/NASA. "Practice makes perfect," said Mark Clampin, Webb telescope observatory project scientist at NASA's Goddard Space Flight Center....Read full article

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    Published: December 2015
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    telescope
    An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
    BusinessmirrorsAmericasspaceNASAastronomyJWSTWebbtelescopeOpticslight speed

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