NASA’s spacecraft, The Pioneer 10, became the first craft to exit the solar system.
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The Soviet Union's Vega 1 Space Probe began sending back images of Halley's Comet.
Cassini orbiter released the Huygens probe, which successfully landed on Saturn's moon Titan.
The first Space Shuttle mission was launched.
The last signal from the Pioneer 10 space probe was received.
The Discovery Space Shuttle deployed the Hubble Space Telescope into low-Earth orbit.
