Viking 1

Mission overview

Viking 1 delivered the first spacecraft to operate successfully on the surface of Mars and returned the first images from the Martian surface.

Operated on Mars for over six years; its biology experiments searched for signs of life.

Mission	Type	Agency	Launch	Status
Viking 2Mars	Orbiter and lander	NASA	1975-09-09	Completed

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

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