The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 63
... means . The source of energy would be some kind of nuclear reactor , and recent studies have shown that it would be possible to design interplanetary vehicles which could reach very high speeds by this means . The ion drive is now under ...
... means . The source of energy would be some kind of nuclear reactor , and recent studies have shown that it would be possible to design interplanetary vehicles which could reach very high speeds by this means . The ion drive is now under ...
Pagina 73
... means that it could not deal with large rates of spin . Note , also , that it would have to be kept running : if it slowed down , it would trans- fer its spin back to the spaceship ! Figure 12. Checking the Spin of a Spaceship ( 1 ) by ...
... means that it could not deal with large rates of spin . Note , also , that it would have to be kept running : if it slowed down , it would trans- fer its spin back to the spaceship ! Figure 12. Checking the Spin of a Spaceship ( 1 ) by ...
Pagina 170
... means it would be necessary to have an extremely efficient source of nuclear energy : anything like our present atomic power plants would be completely useless . Some means would be required of releasing a large percentage of the energy ...
... means it would be necessary to have an extremely efficient source of nuclear energy : anything like our present atomic power plants would be completely useless . Some means would be required of releasing a large percentage of the energy ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless