Teleskop-Express: Astro-Shop + Fotografie + Naturbeobachtung
File:EVA 3 activity on Flight Day 6 to service the Hubble Space Telescope (28076621161).jpg - Wikimedia Commons
NASA tasks the Hubble Telescope with five more years of service | Engadget
Top Ten US EVA Missions of All Time: No. 3—'Repackage Our Margin' - AmericaSpace
TeleScope ICE UltraHT MWD Service | SLB
First Hubble-servicing Mission Launches -- Dec. 2, 1993 | NASA
How long will the Hubble Telescope last? | MIT Technology Review
The Final Hubble Servicing Mission | NASA
SpaceX, NASA considering Dragon mission to Hubble Space Telescope | Space
File:STS082-704-096 - STS-082 - EVA 1 activity on Flight Day 4 to service the Hubble Space Telescope - DPLA - de3f21582e056c96f8292fe3ee72a4a8.jpg - Wikimedia Commons
Hubble telescope repair attempt with spacewalk | Hubble space telescope | The Guardian
Teleskop-Express: Astro-Shop + Fotografie + Naturbeobachtung
ESA - Hubble Space Telescope during repair mission STS-82
Another Hubble repair mission could be on the way | Astronomy.com
Four years after final service call, Hubble Space Telescope going strong
Hubble waylaid by computer fault | Astronomy.com
Techno-turkey: Remembering Hubble's vision troubles, 30 Years On | Astronomy.com