Russian spacecraft Vega 2 landed on Venus.
The Vega 2 was a mission to explore both Venus and Halley’s Comet.
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The Gemini V spacecraft returned to Earth, landing in the Atlantic Ocean.
France successfully launched their first satellite, Astérix, into Earth's orbit.
The Soviet Probe Venera 4 entered Venus' atmosphere and sent back information to Earth for about 90 minutes before it lost contact.
NASA's Ingenuity helicopter became the first helicopter to fly on another planet.
NASA's Voyager 2 came into close contact with Uranus and captured many images that uncovered 11 new moons.