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  2. Viking 1 - Wikipedia

    en.wikipedia.org/wiki/Viking_1

    The Viking 1 lander touched down in western Chryse Planitia ("Golden Plain") at 2] [11] at a reference altitude of −2.69 kilometers (−1.67 mi) relative to a reference ellipsoid with an equatorial radius of 3,397 kilometers (2,111 mi) and a flatness of 0.0105 (22.480° N, 47.967° W planetographic) at 11:53:06 UTC (16:13 local Mars time

  3. Viking program - Wikipedia

    en.wikipedia.org/wiki/Viking_program

    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.

  4. List of interplanetary voyages - Wikipedia

    en.wikipedia.org/wiki/List_of_interplanetary_voyages

    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 ...

  5. Remembering NASA's Viking 1 and the first images from Mars - AOL

    www.aol.com/news/2014-08-20-viking-1-and-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 ...

  6. James Slattin Martin Jr. - Wikipedia

    en.wikipedia.org/wiki/James_Slattin_Martin_Jr.

    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]

  7. Viking lander biological experiments - Wikipedia

    en.wikipedia.org/wiki/Viking_lander_biological...

    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 ...

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  9. Spaceflight before 1951 - Wikipedia

    en.wikipedia.org/wiki/Spaceflight_before_1951

    Vikings 1 and 2, launched in 1949 from White Sands Missile Range in New Mexico, both suffered from premature engine cutoff due to turbine leaks, significantly reducing their maximum altitude. [ 6 ] : 98–102 The improved Viking 3, launched on 9 February 1950, reached 50 mi (80 km) and could have gone higher.