Sputnik 1 became Earth’s first artificial satellite to go into orbit.
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NASA's Apollo 11 orbited the moon.
NASA revealed that water vapor was discovered in the atmosphere of an Earth-size planet, the exoplanet K2-18b.
Sultan bin Salman Al Saud became the first Arab and the first Muslim to fly into space.
Robert H. Lawrence, Jr. was selected as the first African-American astronaut.
The first US woman in space, Sally Ride, died from pancreatic cancer at the age of 61.
