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| View Original: | Hubble Space Telescope Backup Mirror.jpg (2415x2314) | |||
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| Keywords: Hubble Space Telescope Backup Mirror.jpg en This is the backup mirror for the Hubble Space Telescope 2 5 m in diameter on display at the National Air and Space Museum of the Smithsonian Institution in Washington DC This mirror was polished by hand to a precise paraboloidal shape by Kodak The mirror sent into space was machine-polished to a precise spherical shape by Perkin-Elmer a mistake that crippled the telescope An additional mirror system was later installed by Space Shuttle astronauts to compensate allowing the Hubble to send back the many amazing photographs we ™ve seen 2015-12-19 13 31 50 own Aanderson amherst edu other versions 38 888 -77 018738888889 heading 135 1687242798354 http //airandspace si edu/exhibitions/explore-the-universe/online/etu_a_mirror htm cc-zero Reflecting telescopes Uploaded with UploadWizard | ||||
