Now Playing: Starry-eyed Hubble Celebrates 20 Years Of Awe And Discovery
Description: Hubblecast 36: "Gifts from the sky - Honouring 20 years of Hubble Space Telescope". The best recognised, longest-lived and most prolific space observatory zooms past a milestone of 20 years of operation. On 24 April 1990, the Space Shuttle and crew of STS-31 were launched to deploy the NASA/ESA Hubble Space Telescope into a low-Earth orbit. What followed was one of the most remarkable sagas of the space age. --- Please subscribe to Science ...