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  2. Viking 1 - Wikipedia

    en.wikipedia.org/wiki/Viking_1

    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.

  3. Mars landing - Wikipedia

    en.wikipedia.org/wiki/Mars_landing

    Soviet Mars 3, which landed in 1971, was the first successful Mars landing, though the spacecraft failed after 110 seconds on the surface. All other Soviet Mars landing attempts failed. [2] Viking 1 and Viking 2 were first successful NASA landers, launched in 1975.

  4. List of missions to Mars - Wikipedia

    en.wikipedia.org/wiki/List_of_missions_to_Mars

    First lander to impact Mars. Deployed from Mars 2, failed to land during attempt on 27 November 1971. [7] PrOP-M: Rover Failure Lost with Mars 2: First rover launched to Mars. Lost when the Mars 2 lander crashed into the surface of Mars. 16 Mars 3: Mars 3 (4M No.172) 28 May 1971 Soviet Union: Orbiter Successful

  5. List of Mars landers - Wikipedia

    en.wikipedia.org/wiki/List_of_Mars_landers

    List of Mars landers S.No Landers Launch date Landing date Mass (kg) [1] Landing site Region Status Country MOLA Entry velocity References 1. Mars 2MV-3 No.1: 04 Nov 1962 25 Nov 1962 890 - - Failure Soviet Union - - [2] 2. Mars 2: 19 May 1971 27 Nov 1971 1210 45°S 47°E ♦ - Failure Soviet Union - - [3] [4] 3. Mars 3: 28 May 1971 02 Dec 1971 ...

  6. Sky crane (landing system) - Wikipedia

    en.wikipedia.org/wiki/Sky_crane_(landing_system)

    The first NASA rover, Sojourner (on the Mars Pathfinder lander), and twin rovers Spirit and Opportunity, used a combination of parachutes, retrorockets, and airbags for landing. Curiosity, launched in 2011, weighs nearly 900 kg, and was too heavy to be landed this way, as the airbags needed for it would be too heavy to be launched on a rocket. [2]

  7. Exploration of Mars - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Mars

    The Mars 1M programs (sometimes dubbed Marsnik in Western media) was the first Soviet uncrewed spacecraft interplanetary exploration program, which consisted of two flyby probes launched towards Mars in October 1960, Mars 1960A and Mars 1960B (also known as Korabl 4 and Korabl 5 respectively). After launch, the third stage pumps on both ...

  8. 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 ...

  9. Viking lander biological experiments - Wikipedia

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

    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 robotic arm to pick up and place soil samples into sealed test ...