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  1. Nov 9, 2017 · Dozens of spacecraft have launched to explore Venus, but not all have been successful. NASA's Mariner 2 was the first spacecraft to visit any planet beyond Earth when it flew past Venus on Dec. 14, 1962. NASA is planning two new missions to Venus: VERITAS, and DAVINCI.

  2. Between 1962 and late 1973, NASA's Jet Propulsion Laboratory (JPL) designed and built 10 robotic interplanetary probes named Mariner to explore the inner Solar System – visiting the planets Venus, Mars and Mercury for the first time, and returning to Venus and Mars for additional close observations.

  3. The 10 Mariners visited Venus, Mars and Mercury for the first time, and later returned to Venus and Mars for a closer look. The final mission in the series, Mariner 10, flew past Venus before going on to Mercury for a total of three flybys.

  4. Mariner 10 was the first spacecraft sent to the planet Mercury; the first mission to explore two planets (Mercury and Venus) during a single mission; the first to return to its primary destination for another look; and the first to use a gravity assist to change its flight path.

    • United States of America (USA)
    • Mariner-73J / Mariner-J
    • Mercury Flyby, Venus Flyby
    • 1,100 pounds (502.9 kilograms)
  5. Nov 5, 2018 · In 1969, NASA approved a plan to send a spacecraft to Mercury, using Venus for a gravity assist. The mission, first known as Mariner Venus Mercury, was later renamed Mariner 10 and managed by the Jet Propulsion Laboratory in Pasadena, California.

    • John Uri
  6. Nov 13, 2019 · The Mariner spacecraft was designed and developed by NASA’s Jet Propulsion Lab (JPL) with the purpose of exploring our nearest planetary neighbors: Venus, Mercury, and Mars.

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  8. Dec 14, 2022 · On Dec. 14, 1962, Mariner 2 completed the first successful close-up observations of another planet when it flew by Venus. Managed by NASA’s Jet Propulsion.

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