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Viking 1 Lander: Landing date: July 20, 1976 [2] ... Viking 1 was the first of two spacecraft, along with Viking 2, each consisting of an orbiter and a lander, ...
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 ...
Contact lost upon landing, atmospheric data mostly unusable. 21 Mars 7: Mars 7 (3MP No.51P) 9 August 1973 Soviet Union: Flyby Successful Flyby bus collected data. Proton-K/D: Mars 7 lander Lander Spacecraft failure Separated from coast stage prematurely, failed to enter Martian atmosphere. 22 Viking 1: Viking 1 orbiter 20 August 1975: NASA ...
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 ...
While searching for a suitable landing spot for Viking 2 ' s lander, the Viking 1 orbiter photographed the landform that constitutes the so-called "Face on Mars" on 25 July 1976. The Viking program was a descendant of the cancelled Voyager program, whose name was later reused for a pair of outer solar system probes.
It is one of the lowest regions on Mars (2 to 3 kilometres (1.2 to 1.9 mi) below the mean surface elevation of Mars), so water would tend to flow into it [3] The elevation generally goes down from the Tharsis Ridge to Chryse. Kasei Valles, Maja Valles, and Nanedi Valles appear to run from high areas (Tharsis Ridge) to Chryse Planitia. On the ...
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