Skylab, America’s first space station, is successfully launched into an orbit around the earth. Eleven days later, U.S. astronauts Charles Conrad, Joseph Kerwin, and Paul Weitz made a rendezvous with Skylab, repairing a jammed solar panel and conducting scientific experiments during their 28-day stay aboard the space station.
The first manned Skylab mission came two years after the Soviet Union launched Salynut, the world’s first space station, into orbit around the earth. However, unlike the ill-fated Salynut, which was plagued with problems, the American space station was a great success, safely housing three separate three-man crews for extended periods of time and exceeding pre-mission plans for scientific study.
Originally the spent third stage of a Saturn 5 moon rocket, the cylinder space station was 118 feet tall, weighed 77 tons, and carried the most varied assortment of experimental equipment ever assembled in a single spacecraft to that date. The crews of Skylab spent more than 700 hours observing the sun and brought home more than 175,000 solar pictures. They also provided important information about the biological effects of living in space for prolonged periods of time. Five years after the last Skylab mission, the space station’s orbit began to deteriorate faster than expected, owing to unexpectedly high sunspot activity. On July 11, 1979, the parts of the space station that did not burn up in the atmosphere came crashing down on Australia and into the Indian Ocean. No one was injured.
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