Spitzer Space Telescope

200385 cm mirrorInfrared telescope

LocationSolar orbit

Year2003

Size85 cm mirror

TypeInfrared telescope

About Spitzer Space Telescope

One of the NASA Great Observatories. Observed the universe in infrared light from an Earth-trailing orbit around the Sun. Its coolant ran out in 2009, but it kept working in a warm mission. Helped reveal the seven planets of the TRAPPIST-1 system. Retired in January 2020.

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