The US spacecraft, Voyager, took the first-ever photograph of the moon and Earth together from space.
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A large explosion above the Pacific Ocean turned out to be a meteorite.
The first photo of the moon was taken by John Draper in New York City.
NASA's Apollo 14 mission landed on the Moon.
Using Johannes Kepler's predictions, French scientist Pierre Gassendi became the first person to witness Mercury's transit between the Earth and the Sun.
Halley's Comet made its closest approach to Earth in recorded history.
