The High Frontier: Human Colonies in Space |
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Page 103
... cosmic - ray protection , would pro- tect the window areas from any direct " view " of space . At the surface of the ... rays which penetrate our atmosphere . Radiation is measured in units of Roentgens , and for biological damage the ...
... cosmic - ray protection , would pro- tect the window areas from any direct " view " of space . At the surface of the ... rays which penetrate our atmosphere . Radiation is measured in units of Roentgens , and for biological damage the ...
Page 104
... cosmic rays . When all the sources of natural radiation , internal , external , and cosmic , are added , they amount to an average dose of about a third of a rad per year for a typical Earth - dweller . After a great deal of testing and ...
... cosmic rays . When all the sources of natural radiation , internal , external , and cosmic , are added , they amount to an average dose of about a third of a rad per year for a typical Earth - dweller . After a great deal of testing and ...
Page 240
... cosmic rays and from solar flares . Outside the sand is a fourth shell , of very thin aluminum just to hold the sand in place . For extra help in case of flares we've also got a " storm shelter " outside the sphere in the form of a ...
... cosmic rays and from solar flares . Outside the sand is a fourth shell , of very thin aluminum just to hold the sand in place . For extra help in case of flares we've also got a " storm shelter " outside the sphere in the form of a ...
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