Colonies in Space |
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Page 42
... radio frequencies , some people are upset . Radio astronomers will be particularly unhappy . But a space program which can build powersats can also build very large new radio tele- scopes deep in space and shield them from radio ...
... radio frequencies , some people are upset . Radio astronomers will be particularly unhappy . But a space program which can build powersats can also build very large new radio tele- scopes deep in space and shield them from radio ...
Page 169
... Radio astronomers have built their immense receivers , shadowing acres of ground in California and West Virginia ... radio telescopes . Today , radio astronomy is fully on a par with optical astronomy in terms of the sophistication of ...
... Radio astronomers have built their immense receivers , shadowing acres of ground in California and West Virginia ... radio telescopes . Today , radio astronomy is fully on a par with optical astronomy in terms of the sophistication of ...
Page 172
... radio telescope such as can be built adjacent to a space colony . The " cup " is the radio reflector ; the " saucer " is a shield against radio interference from Earth . The free - floating objects are radio feeds . An advanced space ...
... radio telescope such as can be built adjacent to a space colony . The " cup " is the radio reflector ; the " saucer " is a shield against radio interference from Earth . The free - floating objects are radio feeds . An advanced space ...
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 laser launch vehicle living lunar base lunar material lunar soil magnetic major Mars mass-driver metals meteoroid microwave miles mirrors missions moon NASA nuclear O'Neill 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