In pictures: Spitzer - Infrared telescope
Quick facts

  • Launch mass: 950 kg

  • Mirror size: 85 cm

  • Coolant: 360 litres helium

  • Mission length: 2.5-5 years

  • Instruments: Infrared Array Camera, Infrared Spectrograph, Multiband Imaging Photometer. These will operate at just a few degrees above absolute zero (-273 C).
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