Benchmarks: April 24, 1990: The Hubble Space Telescope is launched
Hubble Space Telescope launches April 24 1990 - YouTube
Hubble Space Telescope Deployed -- April 25, 1990 | NASA
From the Archives: Hubble telescope began its mission 30 years ago this week - The San Diego Union-Tribune
Benchmarks: April 24, 1990: The Hubble Space Telescope is launched
Why is Hubble Important? :: eCUIP
STS-31 - Wikipedia
Trouble For Hubble, In Orbit Since 1990, As Gyro Fails On Space Telescope
April 24 1990 The Hubble Space Telescope is launched | Flickr
1 billion seconds in space! NASA's Hubble Space Telescope surpasses major milestone | Space
The Hubble Space Telescope launched 1990 - YouTube
Hubble Telescope From Idea to Launch | Hubble Telescope History
Hubble Space Telescope (HST) | History, Discoveries, & Facts | Britannica
File:Hubble Space Telescope, 1990-Present (8981696018).jpg - Wikimedia Commons
April 25, 1990, Deployment of the Hubble Space Telescope | NASA
HST's Greatest Hits 1990-1995
ESA - How Hubble got its wings
Hubble Space Telescope celebrates 30 years of discoveries and awe-inspiring images | CNN
Retired NASA Engineers Return to Fix Hubble Telescope | Smart News| Smithsonian Magazine
Hubble Space Telescope Reaches Orbit | NASA
On This Day in History - April 25, 1990 – MightyToy
