The High Frontier: Human Colonies in Space |
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Page 42
... feet lasting more than a half hour . As a sailplane pilot , with my oxygen mask always at hand , I like to take a few breaths of oxygen at the tops of Western thermals , which are often a good deal higher than that . Serious ...
... feet lasting more than a half hour . As a sailplane pilot , with my oxygen mask always at hand , I like to take a few breaths of oxygen at the tops of Western thermals , which are often a good deal higher than that . Serious ...
Page 80
... feet thick , and at the time of construction several access channels down to the outer shell may also be built in . Even at nighttime solar power will always be available , no more than a few feet from the house floor . Reflected by ...
... feet thick , and at the time of construction several access channels down to the outer shell may also be built in . Even at nighttime solar power will always be available , no more than a few feet from the house floor . Reflected by ...
Page 108
... feet ) of soil . Once that problem is thoroughly understood , it constitutes a serious restriction on the design of the first habitats . Fortunately , a geometry has been found that fully satisfies even the most severe shielding ...
... feet ) of soil . Once that problem is thoroughly understood , it constitutes a serious restriction on the design of the first habitats . Fortunately , a geometry has been found that fully satisfies even the most severe shielding ...
Contents
A Letter from Space | 1 |
The Planetary Hangup | 29 |
Islands in Space | 63 |
Copyright | |
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antenna Apollo Apollo 12 asteroid belt Astronautics atmosphere billion build built century chemical climate colonies concept construction cosmic rays cylinder decades dollars early Earth Earth-normal economic efficiency electric engine environment Eric Drexler flight fraction fuel G. K. O'Neill geosynchronous orbit gravity growth Henry Kolm High Frontier humanization of space hundred increase industry Island Three land area launch lift costs limits living located low orbit lunar materials lunar surface magnetic mass-driver meteoroid miles mirrors Moon NASA nations nuclear operation oxygen payload percent physical plants population population density possible power satellite power stations Princeton problem radiation reaction mass require rocket rotation seems shielding shuttle solar cells solar energy solar power space colonization space communities space habitat space manufacturing Space Studies Institute speed sphere SSPS sunlight thousand tion tons transport Tsiolkowsky vehicle velocity zero-gravity