Voyager 1 passed Pioneer 10 to become the most distant human-made object in space.
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The last signal from the Pioneer 10 space probe was received.
Sputnik 1 falls to Earth from orbit.
The first Hughes Communications Galaxy satellite was launched into orbit.
NASA revealed that water vapor was discovered in the atmosphere of an Earth-size planet, the exoplanet K2-18b.
A Chinese Long March rocket launched the Belarussian government's Belintersat-1 satellite into orbit.
