The Hubble Space Telescope captured the first images of the surface of Pluto.
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American astronomer Clyde Tombaugh discovered Pluto.
The Apollo-Soyuz Test Project completed the world's first international space rendezvous.
The Japanese Space Agency sent two robots to explore an asteroid aboard their Hayabusa-2 spacecraft.
Robert H. Lawrence, Jr. was selected as the first African-American astronaut.
The galaxy Centaurus A was discovered by Scottish astronomer James Dunlop.
