Great observatories' – the next generation of NASA's space telescopes, and their impact on the next century of observational astronomy – Physics World
NASA's Spitzer Space Telescope Ends 16-Year Mission of Discovery - The New York Times
NASA will end the Spitzer Space Telescope's mission in 2020
Hubble Space Telescope spots a cosmic jewel
Remembering the Assembly--and Repair--of the Hubble Space Telescope | 2020-01-13 | ASSEMBLY
2020 Hubble Space Telescope 16-Month Wall Calendar by BrownTrout, 12 x 12 in - Kroger
NASA prepares to shut down one of its 'Great Observatories' – Spaceflight Now
Hubble Space Telescope: history and facts | BBC Sky at Night Magazine
ESA - Thirty years of Hubble Space Telescope
Hubble Space Telescope Spots One Stunning Galaxy Among Millions
Remembering the Assembly--and Repair--of the Hubble Space Telescope | 2020-01-13 | ASSEMBLY
Hubble Telescope Could Operate Through 2020, Scientists Say | Space
Hubble Space Telescope is a gift of science that keeps giving
Hubble Space Telescope 2020
NASA delays James Webb Space Telescope launch to NET May 2020 - NASASpaceFlight.com
quasar tsunamis' spotted in space using the hubble space telescope
Hubble Sees Summertime on Saturn | NASA
Hubble Marks 30 Years in Space With Tapestry of Blazing Starbirth | NASA
NASA's Final 2020 Image of the Day Depicts Colorful Orion Nebula
QuizMe: Hubble Space Telescope - RocketSTEM
Hubble releases photos of 30 new night-sky gems you can see with a backyard telescope
Ending in 2020, NASA's Infrared Spitzer Mission Leaves a Gap in Astronomy - Scientific American
NASA's Spitzer Space Telescope Officially Ends Mission | Observer
