SOLAR SYSTEM

Detailed explanation-1: -Skylab, first U.S. space station, launched into Earth orbit on May 14, 1973. Three successive crews of visiting astronauts carried out investigations of the human body’s adaptation to the space environment, studied the Sun in unprecedented detail, and undertook pioneering Earth-resources observations.

Detailed explanation-2: -Skylab was America’s first space station and first crewed research laboratory in space. Early visions of orbiting space stations predated the Space Age and the Soviet Union orbited its first experimental space station Salyut in 1971.

Detailed explanation-3: -Skylab was a manned space station launched into Earth orbit by the United States in May 1973. It was made from the third stage of a Saturn V launch vehicle. A crew of three astronauts occupied Skylab during each of three missions.