A: STS-107 (Columbia) Shuttle Disaster
A: Luna 9 Landing
B: Clyde Tombaugh
A: Lunar Orbiter 3 Launch
B: Jules Verne
B: Techyo
B: Fritz Zwicky
B: Galileo Galilei
A: Discovery of Miranda
B: Nicolas Copernicus
A: Mir Space Station Launch
A: Discovery of the First Pulsar
B: Krislch
A: Mariner 6 Launch
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