The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 65
... oxygen - the remaining four - fifths of nitrogen is simply “ ballast ” and plays no part in respiration . Thus the oxygen in the atmosphere contributes only three pounds to the total fifteen pounds of pressure — and if we used in the ...
... oxygen - the remaining four - fifths of nitrogen is simply “ ballast ” and plays no part in respiration . Thus the oxygen in the atmosphere contributes only three pounds to the total fifteen pounds of pressure — and if we used in the ...
Pagina 66
Arthur Charles Clarke. oxygen can be carried in the liquid state in suitable storage flasks . The amount of oxygen needed by a man under normal conditions is surprisingly small - just over three pounds a day if he is engaged in ...
Arthur Charles Clarke. oxygen can be carried in the liquid state in suitable storage flasks . The amount of oxygen needed by a man under normal conditions is surprisingly small - just over three pounds a day if he is engaged in ...
Pagina 126
... oxygen we could not survive in it . The fact that it contains virtually no oxygen at all rules out any forms of animal life resembling those on Earth . It is probable that the bulk of the atmosphere consists of inert gases such as ...
... oxygen we could not survive in it . The fact that it contains virtually no oxygen at all rules out any forms of animal life resembling those on Earth . It is probable that the bulk of the atmosphere consists of inert gases such as ...
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