NASA’s Voyager 1 spacecraft entered interstellar space, becoming the first artificial object to do so.
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The Soviet Union's Vega 1 Space Probe began sending back images of Halley's Comet.
NASA's SMS-1 satellite launched from Cape Canaveral atop a Delta rocket.
Mars flyby of Mariner 4.
Space shuttle Endeavour successfully docked with the International Space Station during NASA's STS-123 mission.
The first Space Shuttle mission was launched.
