Voyager 1 passed Pioneer 10 to become the most distant human-made object in space.
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NASA's Dawn probe became the first spacecraft to orbit a dwarf planet.
The Luna 2 spacecraft by the Soviet Union became the first human-made artifact to land on the moon's surface.
NASA's MAVEN space probe was launched from the Cape Canaveral Air Force Station.
The Soviet Union's ill-fated Soyuz 11 mission was launched from the Baikonur Cosmodrome.
A giant ball of fire was seen arching across the sky from Michigan to Pennsylvania.
