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20/06/1976 Viking 1 probe lands on Mars

Viking 1 was the first of two identical probes, each consisting of an orbiter designed to photograph the surface of Mars and a lander. It was the first spacecraft to land successfully on Mars and perform its mission. Besides surveying the red planet, the lander performed an experiment to test relativistic time dilatation.

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  • Essentials 

  • Viking 1 

  • Mission 

  • Mission results 

  • Test of general relativity 

  • Orbiter shots