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 24
... population ( just over four billion people , that is four thousand million ) and the population - growth rate . For several years that last number has averaged 2 percent annually , cor- responding to a doubling time of thirty - five ...
... population ( just over four billion people , that is four thousand million ) and the population - growth rate . For several years that last number has averaged 2 percent annually , cor- responding to a doubling time of thirty - five ...
Page 25
... population - control programs will be successful as planned . Even with a successful population - con- trol program in the underdeveloped nations , the Department tells us that there will be about six and a half billion people in the ...
... population - control programs will be successful as planned . Even with a successful population - con- trol program in the underdeveloped nations , the Department tells us that there will be about six and a half billion people in the ...
Page 216
... population density can go down rather than up , whatever may be the absolute population size and its rate of increase . We can estimate roughly the population density of a new space habitat built in the year 2100 by the following as ...
... population density can go down rather than up , whatever may be the absolute population size and its rate of increase . We can estimate roughly the population density of a new space habitat built in the year 2100 by the following as ...
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