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From Citizendium, the Citizens' Compendium

This is a list of astronomical observatories. See also astronomical observatory.

• Greenwich Observatory
• Harvard College Observatory
• Lick Observatory
• Arecibo Observatory
• Palomar Observatory
• Cerro Tololo Inter-American Observatory
• Kitt Peak National Observatory
• Mauna Kea Observatory

Space-based observatories

• International Space Station
• Hubble Space Telescope
• Sputnik
• Chandra
• COBE