Program archive
Great Observatories is explored here through 5 archived missions, from Hubble Space Telescope through James Webb Space Telescope, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
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Choose a path through the Great Observatories archive.
5 mission-specific spacecraft and test articles, plus 0 launch systems and shared hardware records.
Hubble Space Telescope observatory was a about 24,000 pounds (10,900 kilograms) at launch observatory operated by NASA Goddard Space Flight Center and Space Telescope Science Institute.
James Webb Space Telescope observatory launched or is planned to launch at about 13,700 pounds (6,200 kilograms) under NASA, European Space Agency, Canadian Space Agency, and Space Telescope Science Institute.
Chandra X-ray Observatory observatory was a about 50,162 pounds (22,753 kilograms) with its upper stage at launch observatory operated by NASA Marshall Space Flight Center with the Smithsonian Astrophysical Observatory.
Compton Gamma Ray Observatory observatory was a about 37,000 pounds (16,800 kilograms) observatory operated by NASA Goddard Space Flight Center.
Spitzer Space Telescope observatory was a 2,094 pounds (950 kilograms) observatory operated by NASA Jet Propulsion Laboratory and Spitzer Science Center.