Instruments of Astronomy Space Observatories NASAs Four Great Observatories Atmospheric Opacity The Hubble Space Telescope Hubble Nuts & Bolts Compton Gamma Ray Observatory Seven Pulsars Chandra X Ray Observatory The Spacecraft Science Instruments Schematic of Grazing Incidence, X-Ray Mirror Schematic of Grazing Incidence The mirrors have to be exquisitely shaped and aligned nearly parallel to incoming X-rays. Thus they look more like glass barrels than the familiar dish shape of optical telescopes. Tracking Chandra & Hubble Multi Wavelength Imaging The Crab Nebula X Ray/Optical The Crab Nebula X Ray/Radio/Optical X Ray Image Optical Image Infra Red Image Radio Wave Image W3 in Perseus - Optical W3 in Perseus - X Ray W3 in Perseus - Composite Spitzer Space Telescope Spitzers Orbit Spitzer under construction Hubble-Spitzer Composite Star Formation in DR21 Dust Pillars Carina Nebula Cigar Galaxy M82 with Infra Red Inclusion Cassiopeia Infra Red Echo SOHO Solar and Heliospheric Observatory MDI Continuum EIT 171 EIT 195 EIT 284 EIT 304 MDI Continuum Image Magnetogram Image LASCO C2 LASCO C3 LASCO C3 captures Comet McNaught COBE - Cosmic Background Explorer Cosmic Microwave Background Fluctuations WMAP - The Microwave Sky Timeline of The Universe