The US spacecraft, Voyager, took the first-ever photograph of the moon and Earth together from space.
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A V-2 rocket captured the first photograph of Earth from outer space.
NASA's Apollo 14 mission landed on the Moon.
Soviet spacecraft Luna 6, destined for a moon landing, failed after flying right past it.
Twenty million Americans mobilized to call for greater protections for our planet. This became the world's first Earth Day.
The Apollo 16 lunar module landed on the surface of the Moon.
