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Mariner 9 (Mariner Mars '71 / Mariner-I) was a robotic spacecraft that contributed greatly to the exploration of Mars and was part of the NASA Mariner program.Mariner 9 was launched toward Mars on May 30, 1971, [2] [3] from LC-36B at Cape Canaveral Air Force Station, Florida, and reached the planet on November 14 of the same year, [2] [3] becoming the first spacecraft to orbit another planet ...
Mars 2, Mars 3 and Mariner 9 were all launched into space in May 1971, and all entered Mars’ orbit that same year. NASA's Mariner 9 reached the planet's orbit first on November 14, narrowly beating the Soviet's spacecraft amid the space race, and subsequently became the first spacecraft to orbit another planet. [1]
As of 2016, there were believed to be eight derelict spacecraft in orbit around Mars (barring unforeseen event). [46] The Viking 1 orbiter was not expected to decay until at least 2019. [ 47 ] Mariner 9 , which entered Mars orbit in 1971, was expected to remain in orbit until approximately 2022, when it was projected to enter the Martian ...
[8] [9] Mariner 9 Orbiter: Mars 30 May 1971 14 November 1971 entered orbit: 169 days (5 mo, 16 d) Mariner 9 was the first spacecraft to orbit another planet. It remained active until 27 October 1972. [10] Venera 8 lander Venus 27 March 1972 22 July 1972 landed: 118 days (3 m, 26 d) Venera 8 returned signals from the surface of Venus for 50 ...
Mariner 2 (designated Mariner R-2) was launched on August 27, 1962, sending it on a 3½-month flight to Venus. The mission was a success, and Mariner 2 became the first spacecraft to have flown by another planet. On the way it measured for the first time the solar wind, a constant stream of charged particles flowing outward from the Sun.
The first artificial satellite to orbit another planet — the U.S. probe Mariner 9 — entered areocentric orbit on 13 November 1971. [1] Within a month, Mariner 9 was joined in orbit by two Soviet orbiters: Mars 2 (27 November 1971) and Mars 3 (2 December 1971).
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First spacecraft to orbit another planet . USA (NASA) Mariner 9: 27 November 1971: First spacecraft to impact another planet (Mars). USSR Mars 2: 2 December 1971: First soft landing on Mars. First signals from Martian surface. First photograph from Martian surface. USSR Mars 3: 3 March 1972: First spacecraft on a trajectory out of the solar system.