The Exploration of SpaceHarper, 1951 - 199 pagini |
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... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is nothing in this ...
... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is nothing in this ...
Pagina 122
... present in enormous quantities : there is probably more than a thousand times as much of it above the clouds of Venus as in the whole of our atmosphere . What lies below the clouds we can only guess . Since carbon dioxide is one of the ...
... present in enormous quantities : there is probably more than a thousand times as much of it above the clouds of Venus as in the whole of our atmosphere . What lies below the clouds we can only guess . Since carbon dioxide is one of the ...
Pagina 144
... present in very large quantities on Mars and Venus , though in each case combined with other elements , the provision of a breathable atmosphere is a problem of chemical engineering which is , in principle , capable of a solution . As ...
... present in very large quantities on Mars and Venus , though in each case combined with other elements , the provision of a breathable atmosphere is a problem of chemical engineering which is , in principle , capable of a solution . As ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mare Imbrium Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust tion trolley Uranus voyage weight