The High Frontier: Human Colonies in SpaceMonograph on future habitation and human settlement in outer space - describes possible habitats for humanity in space colonys, and includes the transcript of a USA congressional hearing on "aerospace technology and national needs". Illustrations and references. |
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Page 144
... million tons needed for the construction of Island One can be obtained from a square of lunar surface only seven ... million tons we could obtain from them 200,000 tons of alu- minum , half a million tons of iron , 200,000 tons of ...
... million tons needed for the construction of Island One can be obtained from a square of lunar surface only seven ... million tons we could obtain from them 200,000 tons of alu- minum , half a million tons of iron , 200,000 tons of ...
Page 222
... million people per year . In the table , it would require only thirty years from the completion - date of the first community before new lands would be increasing more than fast enough even to cope with such demands . That exercise is ...
... million people per year . In the table , it would require only thirty years from the completion - date of the first community before new lands would be increasing more than fast enough even to cope with such demands . That exercise is ...
Page 223
... million people per year . Eleven hundred is com- parable to the number of large ocean vessels that now sail the waters of Earth . If we check the productivity required for the construction of eleven hundred large spacecraft we find that ...
... million people per year . Eleven hundred is com- parable to the number of large ocean vessels that now sail the waters of Earth . If we check the productivity required for the construction of eleven hundred large spacecraft we find that ...
Contents
A LETTER FROM SPACE | 11 |
THE PLANETARY | 34 |
ISLANDS IN SPACE | 61 |
Copyright | |
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accelerate aluminum antenna Apollo Apollo 12 Apollo Project assume asteroid belt astronauts atmosphere Bernal Sphere build climate colonies concept cosmic rays cylinder decades diameter dollars early Earth Earth-normal economic engine environment Eric Drexler estimate figure flight fuel geosynchronous orbit gravity growth hour humanization of space hundred increase industry Island Three kilometers per second land area launch less lift costs limits living located lunar materials lunar surface mass-driver megawatts meteoroid meters miles million mirrors Moon NASA nations nuclear O'NEILL orbit oxygen payload percent perhaps PLATE population population density possible power stations Princeton problem productivity radiation reaction mass require rocket rotation satellite power seems Senator FORD shielding shuttle solar energy solar power space colonization space communities space habitat space manufacturing sphere sunlight sunshine thousand tion tons transport Tsiolkowsky twenty vehicle velocity zero-gravity