The Spitzer Space Infrared Telescope Facility
Fourth of NASA's Great Observatories for Space Astrophysics
Spitzer	SIRTF	Science	Spectrum	Resources	Great Observatories

SIRTF, IRAS and Infrared Astronomy Resources

NASA's Great Observatories for Space Astrophysics are a family of four Earth-orbiting satellites carrying telescopes designed to study the Universe in both visible light and non-visible forms of radiation. The fourth in the series is the Spitzer Space Telescope, previously known as the Space Infrared Telescope Facility (SIRTF). It was the last in the series to be launched when it was lofted to space in 2003.

IRAS The first long life cryogenically cooled infrared telescope in space was IRAS. Ball Aerospace artwork

Learn more about Spitzer Space Telescope:

• The Spitzer Space Telescope
• Space Infrared Telescope Facility (SIRTF)
• The Spitzer Space Telescope Education and Outreach Home Page
• Infrared Astronomy
• Seeing our world in a different light
• Multiwavelength Astronomy
• The Messier Catalog
• The Andromeda Galaxy
• Cool Cosmos – The Infrared Universe
• Infrared World Gallery
• Infrared Yellowstone Gallery
• Visible Light/Infrared Side-By-Side Movies
• Infrared Zoo Gallery
• Infrared Photo Album
• Observatory Boldly Goes Where the Human Eye Cannot
• SIRTF, IRAS and Infrared Astronomy Resources

Learn more about Infrared Astronomical Satellite (IRAS):

• IRAS – StarChild
• IRAS – Ball
• Discoveries by IRAS
• IRAS Archive

Learn more about deep space spectrum astronomy:

• The Spectrum
• Infrared Astronomy
• Multiwavelength Astronomy

Learn more about NASA's Great Observatories for Space Astrophysics:

• Hubble Space Telescope
• Compton Gamma Ray Observatory
• Chandra X-Ray Observatory
• Spitzer Space Infrared Telescope
• The 400th Anniversary of the Telescope

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