Skylab

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Skylab

Skylab was America's first experimental space station. Some of Skylab's program objectives were: To prove that humans could live and work in space for extended periods, and to expand our knowledge of solar astronomy well beyond Earth-based observations. Skylab made much use of Saturn and Apollo equipment. Through the use of a "dry" third stage of the Saturn V rocket, the station was completely made as a workshop area before launch. Crews visited Skylab and returned to earth in the Apollo spacecraft.

THE FLIGHTS

Skylab's 1st unmanned mission

May 14, 1973

The station was launched into orbit by a Saturn V booster. Almost immediately, problems developed due to vibrations during lift-off. A critical meteoroid shield ripped off taking one of the craft's two solar panels with it; a piece of the shield wrapped around the other panel keeping it from deploying.

Skylab was maneuvered so its Apollo Telescope Mount (ATM) solar panels faced the
Sun to provide as much electricity as possible. Because of the loss of the meteoroid shield, however, this positioning caused workshop temperatures to rise to 126 degrees F. The launch of Skylab 2 was postponed 10 days while NASA engineers developed procedures and trained the crew to make the workshop habitable. At the same time, engineers "rolled" Skylab to lower the temperature of the workshop.

Skylab's 2nd manned mission - May 25th to June 22nd

Astronauts;
Charles Conrad, Jr.
Paul J. Weitz
Joseph P. Kerwin

The crew meats with Skylab on the fifth orbit. After making many repairs, including deployment of parasol sunshade which cooled the inside temperatures to
75 degrees F, by June 4 the workshop was in full operation. In orbit the crew conducted solar Earth resources experiments, medical studies, and five student experiments; 404 orbits and 392 experiment hours were completed; three EVAs that totaled six hours, 20 minuets.

Skylab's 3rd manned mission - July 28th to September 25th, 1973

Astronauts;
Alan L. Bean
Jack R. Lousma
Owen K. Garriott

Continued maintenance of the space station and extensive scientific and medical experiments. Completed 858 Earth orbits and 1,081 hours of solar and Earth experiments; three EVAs totaled 13 hours, 43 minuets.

Skylab's 4th mission - November 16th, 1973 to February 8th 1974

Astronauts;
Gerald P. Carr
William R.

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