Viking 2: the story
Viking 2 · Chapter 1 of 4
9 September 1975
Launch
Viking 2 left Earth on a Titan IIIE-Centaur from Launch Complex 41.
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Viking 2 · Chapter 2 of 4
3 September 1976
Arrival
Parachute and retro-rockets at Utopia Planitia.
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Viking 2 · Chapter 3 of 4
1976–1980
Life’s work
Viking 1's twin landed on the far side of Mars, on the plains of Utopia Planitia, and photographed frost on the ground in winter.
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Viking 2 · Chapter 4 of 4
11 April 1980
Last signal
Its batteries failed in April 1980 and Viking 2 fell silent.
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