Final answer:
Skylab was a space station operated by NASA from 1973 to 1979. It provided a platform for scientific experiments and observations in microgravity.
Step-by-step explanation:
Skylab was an space station that was operated by NASA from 1973 to 1979. It was the United States' first and only space station that orbited the Earth. Skylab provided a platform for scientific experiments and observations in microgravity, such as studies on human physiology, solar physics, and Earth observations.
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