The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 58
... Probably if we saw a photograph of one we would not realise we were looking at a spaceship at all , so alien might it be to our present - day ideas . Like the “ lunar ” type of ship , it would have no vestige of streamlining and could ...
... Probably if we saw a photograph of one we would not realise we were looking at a spaceship at all , so alien might it be to our present - day ideas . Like the “ lunar ” type of ship , it would have no vestige of streamlining and could ...
Pagina 113
... probably be made of reinforced fabric or plastic material , blown up to form a hemispherical chamber and fitted with a small air- lock . The whole thing would look very much like an Esquimo igloo , and would probably be silvered for ...
... probably be made of reinforced fabric or plastic material , blown up to form a hemispherical chamber and fitted with a small air- lock . The whole thing would look very much like an Esquimo igloo , and would probably be silvered for ...
Pagina 132
... probably at over 700 degrees F. , so that lead and tin would melt here . Towards the edge of the sunlit hemisphere the temperature falls steadily and there is a fairly wide belt whose exploration would present no great difficulty , on ...
... probably at over 700 degrees F. , so that lead and tin would melt here . Towards the edge of the sunlit hemisphere the temperature falls steadily and there is a fairly wide belt whose exploration would present no great difficulty , on ...
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