itsfullofstars: Monkeying around in Skylab Astronaut Gerald P. Carr, Commander for the Skylab 4 mission, jokingly demonstrates weight training in zero-gravity as he balances astronaut William R. Pogue, pilot, upside down on his finger. Elizabeth and I were talking about SkyLab yesterday. Here’s a link to the Wikipedia article if anyone wants more info about America’s first space station: http://en.wikipedia.org/wiki/Skylab