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Following launch using a Titan/Centaur launch vehicle and a 333-day cruise to Mars, the Viking 2 Orbiter began returning global images of Mars prior to orbit insertion. The orbiter was inserted into a 1,500 x 33,000 km, 24.6 h Mars orbit on August 7, 1976, and trimmed to a 27.3 h site certification orbit with a periapsis of 1,499 km and an ...
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.
Because of the proximity of the Mars moons to Mars, any mission to them may also be considered a mission to Mars from some perspectives. Past missions Three missions to land on Phobos have been launched; the Soviet Phobos program in the late 1980s saw the launch of Phobos 1 and Phobos 2 , while the Russian Fobos-Grunt sample return mission was ...
Viking 1 was launched on 20 August 1975 and Viking 2 was launched 9 September 1975. This orbiter/lander mission was to photograph the surface of Mars in 1976. The Apollo-Soyuz Test Project was a collaboration between the United States and the Soviet Union that saw an end to the space race. The mission was launched on 15 July 1975, with the ...
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 ...
The Mars 2 lander crashed into Mars on 27 November 1971, in a failed soft landing attempt. It was the first manmade object to reach the surface of Mars. The orbiter continued operating until 22 August 1972. [6] [7] Mars 3 Orbiter and Lander: Mars 28 May 1971 2 December 1971 entered orbit/landed: 189 days (6 mo, 5 d) Mars 3 did not attain its ...
"These will be uncrewed to test the reliability of landing intact on Mars," Musk said, adding if those landings go well, his space company will launch its first crewed flights to Mars in four ...
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 operated on Mars for 2,307 days (over 6 1 ⁄ 4 years) or 2245 Martian solar days ...