President Richard Nixon passed a new law that allowed NASA to build America’s first space shuttle.
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After a four-month journey, the Venera 14 spacecraft landed on Venus.
Astronomer Edwin Hubble formally announced the existence of other galactic systems at a meeting of the American Astronomical Society.
Cosmonaut Alexey Leonov made the first spacewalk when he left his Voskhod 2 spacecraft.
Scientists discovered the most distant supermassive black hole.
President Richard Nixon died of a stroke at the age of 81.
