The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 26
... developed during the next few decades and will be the precursors of the true " spaceships " . To build them would not involve any new dis- coveries or fundamental advances in rocket design : the knowledge required is already available ...
... developed during the next few decades and will be the precursors of the true " spaceships " . To build them would not involve any new dis- coveries or fundamental advances in rocket design : the knowledge required is already available ...
Pagina 28
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be ... developed . We do this because experience has shown that , though many people can see FUEL OXIDISER ( b ) Figure 8 ...
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be ... developed . We do this because experience has shown that , though many people can see FUEL OXIDISER ( b ) Figure 8 ...
Pagina 123
... develop although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
... develop although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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acceleration already astronautics astronomers atmosphere body bricks British Astronomical Association 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 involved ionosphere journey Jupiter landing light light-years lunar 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 trolley Uranus voyage weight