Lockheed Martin's experimental optical instrument shrinks space telescopes by 90 per cent | E&T Magazine
Space Telescopes | Historic Spacecraft
Observatory - Optics | NASA
What was wrong with Hubble's mirror, and how was it fixed? | BBC Sky at Night Magazine
Great observatories' – the next generation of NASA's space telescopes, and their impact on the next century of observational astronomy – Physics World
Can the James Webb Telescope see the past? | Live Science
File:Hubble Space Telescope Major Configuration Elements (26772095589).jpg - Wikimedia Commons
File:Hubble Space Telescope Configuration (27712254083).jpg - Wikimedia Commons
Hubble Space Telescope | History, Discoveries, & Facts | Britannica
Space Telescopes of the Future: NASA Has 4 Ideas for Great Observatory to Fly in 2030s | Space
Observatory - Optics | NASA
An Out-of-This-World Eye Exam: How NASA Fixed the Hubble Telescope
Observatory - Optics | NASA
THE TELESCOPE
Observatory - Optics | NASA
This Tucson optics firm helped NASA's Webb space telescope see clearly
Corrective Optics Space Telescope Axial Replacement - Wikipedia
The Universe in Infrared: The Legacy of the Spitzer Space Telescope - YouTube
Hubble Telescope Still Going Strong 30 Years Later | Lockheed Martin
Space observatory — Science Learning Hub
