What was wrong with Hubble's mirror, and how was it fixed? | BBC Sky at Night Magazine
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HUBBLE SPACE TELESCOPE. /nMen inspecting the 94-inch primary mirror of NASA's Hubble Space Telescope at Perkin-Elmers Optical facilities in Wilton, Connecticut. Photograph, 1984 Stock Photo - Alamy
Hubble Space Telescope Backup Mirror | National Air and Space Museum
Honeycomb mirror - Wikipedia
Hubble Mirror Under Construction - Stock Image - C007/7897 - Science Photo Library
Polishing the mirror of the Hubble Telescope, 1980s. Artist: Unknown Stock Photo - Alamy
Hubble Space Telescope Backup Mirror | National Air and Space Museum
The testing error that led to Hubble mirror fiasco | New Scientist
File:Hubble mirror polishing.jpg - Wikimedia Commons
Hubble Space Telescope's Internal Components (Light Path)
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Hubble Space Telescope Backup Mirror | National Air and Space Museum
File:Hubble Space Telescope Primary Mirror (27712253283).jpg - Wikimedia Commons
Primary mirror of the Hubble Telescope, 1980s by
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What was wrong with Hubble's mirror, and how was it fixed? | BBC Sky at Night Magazine
Observatory - Optics | NASA
