On3, 1978, NASA selected its eighth and most diverse class of astronauts yet. The Astronaut Class of 1978, also known as the ...
On January 11, 1787, the English astronomer Sir William Herschel discovered two moons at Uranus! Oberon and Titania were the ...
On05, NASA launched its Deep Impact mission to crash into comet Tempel 1, also known as 9P/Tempel. Two spacecraft were ...
On Aug. 20, 1977, NASA launched the Voyager 2 spacecraft on a mission to explore the outer planets. Despite its name, this was the first of two Voyager missions NASA launched that year. Thanks to a ...
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