Optical Telescope Element - Wikipedia
The ten-billion-dollar gamble: The JWST's magnificent mirrors – Physics World
NASA finishes huge mirror for Webb Telescope
Space telescope's beryllium mirrors
NASA is Going to Try Manufacturing a Telescope Mirror in Space - Universe Today
How NASA fixed Hubble's flawed vision - and reputation - CBS News
Observatory - Optics | NASA
Hubble - Construction, The Hubble Mirror, Blurred Vision, Hubbles Contact Lens
Hubble Space Telescope's Internal Components (Light Path)
ESA - The largest infrared space telescope
The Hubble Space Telescope (HST) (Schematic)
Hubble Trouble - How did the Space Telescope Mirror End Up Flawed ? - YouTube
Hubble vs James Webb Space Telescope mirror size - YouTube
File:Six of the 18 James Webb Space Telescope mirror segments.jpg - Wikimedia Commons
Honeycomb mirror - Wikipedia
DOD Secures Critical Material for James Webb Space Telescope > U.S. Department of Defense > Story
Observatory - Optics | NASA
James Webb Space Telescope extends secondary mirror - BBC News
Observatory - Optics | NASA
Behind James Webb Space Telescope's iconic mirror | Space
Hubble Space Telescope's Internal Components (Light Path)
Mirror substrates and glass-ceramics for telescopes | SCHOTT
No. 26 - 2008: IRTF to Get New Secondary Mirror
Telescope Primary Mirror Sizes Compared
Hubble Space Telescope Backup Mirror | National Air and Space Museum
By the dozen: NASA's James Webb Space Telesco | EurekAlert!
