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On Mars: Exploration of the Red Planet 1958-1978
On Mars Exploration of the Red Planet 19581978 Author:Edward Clinton Ezell, Linda Neuman Ezell For many members of the Viking flight team, the early morning hours of 20 July 1976 were the culmination of 8 years of intense activity. Several of the scientists had more than 15 years invested in preparations for the investigations that would begin once Viking safely landed on the surface of Mars.