Spitzer Space Telescope: Infrared Eyes on the Cosmos

The Spitzer Space Telescope, active from 2003 to 2020, was NASA's infrared Great Observatory, discovering exoplanets, studying star formation, and mapping the Milky Way.

Sources

• 15 of Spitzer's Greatest Discoveries From 15 Years in Space
• Spitzer Space Telescope | Discoveries, Mission, & Facts - Britannica
• Spitzer Space Telescope - NASA Jet Propulsion Laboratory (JPL)
• Spitzer Space Telescope - Wikipedia

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