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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).


�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).