The NASA Great Observatories

Hubble Space Telescope   -- Compton Gamma-Ray Observatory -- Chandra X-Ray Observatory (neč AXAF) -- Spitzer Space Telescope (neč SIRTF)

Other NASA, ESA and JAXA space observatories, past and present

Swift -- Wilkinson Microwave Anisotropy Probe (WMAP) -- Gravity Probe B (GP-B) -- High-energy Transient Explorer (HETE-2) -- International Gamma-ray Astrophysics Laboratory (INTEGRAL) -- Galaxy Evolution Explorer (GALEX) -- XMM-Newton -- Rossi X-ray Timing Explorer (RXTE) -- BeppoSAX -- Cosmic Background Explorer (COBE) -- Far-Ultraviolet Spectroscopic Explorer (FUSE) -- Hipparcos --  Infrared Space Observatory (ISO) --Roentgen (X-ray) Satellite (ROSAT) --  Solar and Heliospheric Observatory (SOHO)