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Mariner 10 Venus Flyby - Wikipedia · "Mariner 5"
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Mariner 10 Venus Flyby

First spacecraft to reach Mercury and Venus, transmitting unprecedented close-range planetary imagery and establishing multi-planetary mission viability.

When1974
~1 min read
Importance72/100
Source confidence75/100

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Mariner 5 was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus's atmosphere by radio occultation, measure the hydrogen Lyman-alpha spectrum, and sample the solar particles and magnetic field fluctuations above the planet. Its goals were to measure interplanetary and Venusian magnetic fields, charged particles, plasma, radio refractivity and UV emissions of the Venusian atmosphere.

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1 source
  1. 1.
    Mariner Venus 1967

    en.wikipedia.org

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Mariner 10 Venus Flyby (1974) · Recap.at