The US spacecraft, Voyager, took the first-ever photograph of the moon and Earth together from space.
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Russia's Luna 25 lunar lander mission crash-landed on the Moon.
The Soviet Union's Luna 5 uncrewed spacecraft crash-landed on the Moon.
A new study was published in the journal 'Nature Geoscience,' which showed that the moon is still shrinking with recent moonquakes as it cools.
An asteroid, dubbed 'City Killer,' came closer to Earth than the moon and was almost undetected.
Mars made its closest approach to Earth in nearly 60,000 years.