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Techno-turkey: Remembering Hubble's vision troubles, 30 Years On | Astronomy.com
Hubble Space Telescope Will Last Through the Mid-2020s, Report Says | Space
Hubble's Mirror Flaw | NASA
History: The Spherical Aberration Problem | ESA/Hubble | ESA/Hubble
Hubble's Mirror Flaw | NASA
HUBBLE TELESCOPE LOSES LARGE PART OF OPTICAL ABILITY - The New York Times
Test Equipment, Shim Washers, And A 30 Year Old Space Telescope | Hackaday
Hubble Space Telescope's Internal Components (Light Path)
How NASA fixed Hubble's flawed vision - and reputation - CBS News
The Hubble Space Telescope: concept, delay, embarrassment, despair, and finally – Jubilation, Part 2
NASA's Largest Space Telescope Mirror Will See Deeper Into Space
Observatory - Optics | NASA
What was wrong with Hubble's mirror, and how was it fixed? | BBC Sky at Night Magazine
Is it true that the initial problem with the Hubble Space Telescope is that they had the 2 lenses made at Specsavers on a buy one get one free? - Quora