The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 19
... considerable greater dis- tance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German War Department sank $ 100,000,000 into the building of Peenemünde , where V - 2 and many ...
... considerable greater dis- tance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German War Department sank $ 100,000,000 into the building of Peenemünde , where V - 2 and many ...
Pagina 60
... considerably larger vessels . Whether any attempt would be made to land , on these first trips , would depend on ... considerable extent . Moreover , if it becomes possible to employ atomic energy for propulsion , some of the 60 The ...
... considerably larger vessels . Whether any attempt would be made to land , on these first trips , would depend on ... considerable extent . Moreover , if it becomes possible to employ atomic energy for propulsion , some of the 60 The ...
Pagina 92
... considerable but not impossible weight penalty . It is probably fair to say that the only really abnormal condi- tions which the human body will have to cope with in astronautics are those arising from acceleration or the lack of it ...
... considerable but not impossible weight penalty . It is probably fair to say that the only really abnormal condi- tions which the human body will have to cope with in astronautics are those arising from acceleration or the lack of it ...
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