Beskrivning : STS-50 (U.S. Microgravity Laboratory 1) was a United States Space Shuttle mission, the 12th mission of the Columbia orbiter.
The U.S. Microgravity Laboratory 1 was a spacelab mission, with experiments in material science, fluid physics and biotechnology. It was the first flight of a Space Shuttle with the Extended Duration Orbiter (EDO) hardware, allowing longer flight durations.
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