... Into the late 1960's, the space community had high hopes that Apollo would lead directly to the construction of a permanent base on the Moon and, sooner rather than later, to the first voyages to Mars. ... The simple fact that six Apollo crews landed on the Moon and brought back a treasure throve of samples, data, and experiences means that the lunar base designers will have to deal with far fewer uncertainties than did the Apollo team. ... Moon Apollo 17 . ...
... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter. ...
... Mass . ... Following several successful moon landings,NASA decided to use its last Saturn V not to fly to the moon but to place in low Earth orbit a large space station, named Skylab. ... It was followed that year by three manned flights using the smaller Saturn IB, each carrying 3 astronauts for a prolonged stay aboard Skylab. ... Mass measurements aboard Skylab were part of the medical experiments conducted there. ... Measuring body mass in the M172 chair (see illustration) was not a simple matter...