Robert H. Lawrence, Jr. was selected as the first African-American astronaut.
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The population of space hit a new record with 13 astronauts.
Europe's Planck spacecraft found evidence that our universe is 13.8 billion years old.
The first-ever international crewed space mission was jointly launched by the US and the USSR.
Osiris became the first discovered exoplanet with an atmosphere.
Kepler's Supernova was discovered.
