Aberration | by Brian Koberlein
Experience with the Hubble Space Telescope: 20 years of an archetype
Choosing Your First Telescope - Telescope fundamentals - Equipment - Chennai Astronomy Club
Fixing Hubble's blurry vision – Spaceflight Now
How NASA fixed Hubble's flawed vision - and reputation - CBS News
The Hubble Telescope: The Spherical Aberration Problem by Jordan Luna
Hubble Space Telescope Images of a Bright Star in the Large Magellanic Cloud
The testing error that led to Hubble mirror fiasco | New Scientist
Techno-turkey: Remembering Hubble's vision troubles, 30 Years On | Astronomy.com
Pictures of Galaxy M100 with Hubble's Old and New Optics | CosmoLearning Astronomy
Hubble's Mirror Flaw | NASA
M100 shows just how far Hubble has come since spherical aberration – Astronomy Now
History: The Spherical Aberration Problem | ESA/Hubble | ESA/Hubble
What lenses does the Hubble telescope uses for its distant viewing? - Quora
Hubble Space Telescope - Wikipedia
vik dhillon: phy217 - reflectors
Hubble's 'before' and more recent 'after' image of M100 – Astronomy Now
Some Feared Mirror Flaws Even Before Hubble Orbit - The New York Times
How NASA fixed Hubble's flawed vision - and reputation - CBS News
The Camera That Saved Hubble... Twice: JPL's Wide Field and Planetary Camera 2
M100 shows just how far Hubble has come since spherical aberration – Astronomy Now
Hubble Space Telescope - Wikipedia
Mr Toogood Physics - Telescopes and their limitations
Observatory - Optics | NASA
Hubble Images of M100 Before and After Mirror Repair | Flickr
Hubble turns 25: The past, present and future
