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Viking 1 was the first of two spacecraft, along with Viking 2, each consisting of an orbiter and a lander, sent to Mars as part of NASA's Viking program. [2] The lander touched down on Mars on July 20, 1976, the first successful Mars lander in history.
Viking 1 entered Mars orbit on June 19, 1976, with Viking 2 following on August 7. After orbiting Mars for more than a month and returning images used for landing site selection, the orbiters and landers detached; the landers then entered the Martian atmosphere and soft-landed at the sites that had been chosen.
By Eric Sandler On August 20, 1975 -- 39 years ago today -- NASA launched the first of two spacecraft as a part of their new Viking program and the images they captured back in the '70s and '80s ...
Viking 1 Orbiter and Lander: Mars 20 August 1975 19 June 1976 entered orbit 20 July 1976 landed: 305 days (10 mo) Viking 1 transmitted the first images from the surface of Mars. The Viking orbiter was active until 17 August 1980, the lander until 13 November 1982. [18] [19] Viking 2 Orbiter and Lander: Mars 9 September 1975 7 August 1976 ...
Schematic of the Viking Lander Biological Experiment System. In 1976 two identical Viking program landers each carried four types of biological experiments to the surface of Mars. The first successful Mars landers, Viking 1 and Viking 2, then carried out experiments to look for biosignatures of microbial life on Mars. The landers each used a ...
The Viking program ended on May 21, 1983. To prevent an imminent impact with Mars the orbit of Viking 1 orbiter was raised. Impact and potential contamination on the planet's surface is possible from 2019 onwards. [19] The Viking 1 lander was found to be about 6 kilometers from its planned landing site by the Mars Reconnaissance Orbiter in ...
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As Viking 1 landed on Mars, Martin hung up on a call from President Ford, telling him that he was "busy right now" and to call back in three hours. [4] The President called back three hours later at which time Martin, along with then-NASA Administrator Jim Fletcher, briefed him on the landing. [5]
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