Colonies in Space |
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Page 38
... diameter with a mass of 500 tons . It would serve simply as a reflector . The best reflector would not be a mirror but a mesh of thin wire , similar to ordinary window screening . This reflector would have to be maintained almost ...
... diameter with a mass of 500 tons . It would serve simply as a reflector . The best reflector would not be a mirror but a mesh of thin wire , similar to ordinary window screening . This reflector would have to be maintained almost ...
Page 120
... diameter of slightly over a mile . This immediately ruled out any sort of cylinder or sphere since it would then be too massive . Instead , we settled on a torus , an enormous inner - tube shape with the " tube " 400 feet wide and bent ...
... diameter of slightly over a mile . This immediately ruled out any sort of cylinder or sphere since it would then be too massive . Instead , we settled on a torus , an enormous inner - tube shape with the " tube " 400 feet wide and bent ...
Page 190
... diameters greater than a kilometer . This was a far larger number than previously proposed , making it appear that the ... diameter object has a mass of several billion tons . The discovery photo of asteroid 1976AA , which showed it ...
... diameters greater than a kilometer . This was a far larger number than previously proposed , making it appear that the ... diameter object has a mass of several billion tons . The discovery photo of asteroid 1976AA , which showed it ...
Contents
CONTENTS Acknowledgments | 8 |
Introduction by Ray Bradbury | 9 |
Other Life in Space | 11 |
Copyright | |
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Colonies in Space: A Comprehensive and Factual Account of the Prospects for ... T. A. Heppenheimer No preview available - 2017 |
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agriculture aluminum asteroids astronauts astronomers atmosphere beam billion booster bucket build built carbon carbonaceous chondrites colonists colony's construction shack cosmic rays cost courtesy Don Dixon Courtesy NASA diameter Don Dixon Earth Earthside electricity electrons energy engines feet flight fusion Gerard O'Neill gravity grow heat human hydrogen Keith Henson land laser launch vehicle living lunar base lunar material lunar soil magnetic major Mars mass-driver metals meteoroid microwave miles mirrors missions moon NASA nuclear orbit oxygen Painting courtesy panels particles Pat Hill payload pellet percent planets population pounds power satellites powersats problem produce propellant propulsion radiation radio telescopes rectenna rock rocket rotating Science shield Skylab solar furnace space colony space farm space shuttle space station spacecraft Stanford torus star star probes starship structure sunlight surface tank tion tons transport tube velocity zero g