The testing error that led to Hubble mirror fiasco | New Scientist
James Webb Space Telescope extends secondary mirror - BBC News
The myopia in the Hubble space telescope | Points de Vue | International Review of Ophthalmic Optics
Space telescope's beryllium mirrors
Observatory - Optics | NASA
Telescope Primary Mirror Sizes Compared
File:Six of the 18 James Webb Space Telescope mirror segments.jpg - Wikimedia Commons
Hubble Space Telescope Backup Mirror | National Air and Space Museum
NASA is Going to Try Manufacturing a Telescope Mirror in Space - Universe Today
Observatory - Optics | NASA
NASA finishes huge mirror for Webb Telescope
No. 26 - 2008: IRTF to Get New Secondary Mirror
Hubble Space Telescope's Internal Components (Light Path)
James Webb: Inside NASA's gold-mirrored space telescope - CNN Style
Hubble Space Telescope Backup Mirror | National Air and Space Museum
Hubble vs James Webb Space Telescope mirror size - YouTube
Mirror substrates and glass-ceramics for telescopes | SCHOTT
DOD Secures Critical Material for James Webb Space Telescope > U.S. Department of Defense > Story
NASA Completes Giant Mirrors for Hubble Successor Telescope | Space
Optical Telescope Element - Wikipedia
How NASA fixed Hubble's flawed vision - and reputation - CBS News
What was wrong with Hubble's mirror, and how was it fixed? | BBC Sky at Night Magazine
The ten-billion-dollar gamble: The JWST's magnificent mirrors – Physics World
Hubble's Mirror Flaw | NASA
Hubble - Construction, The Hubble Mirror, Blurred Vision, Hubbles Contact Lens
