The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 113
... 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 heat insulation . Its inflation would mark the ...
... 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 heat insulation . Its inflation would mark the ...
Pagina 116
... materials from Earth . Possibly suitable caves or clefts might be found which could be adapted , but this is one of ... material from which rocket fuel could be obtained . Water may again provide the answer . As was pointed out on page ...
... materials from Earth . Possibly suitable caves or clefts might be found which could be adapted , but this is one of ... material from which rocket fuel could be obtained . Water may again provide the answer . As was pointed out on page ...
Pagina 128
... material . This particular mystery is less important than the undoubted fact that the Martian atmosphere is very ... materials for plant life are carbon dioxide , water and sunlight 128 THE EXPLORATION OF SPACE.
... material . This particular mystery is less important than the undoubted fact that the Martian atmosphere is very ... materials for plant life are carbon dioxide , water and sunlight 128 THE EXPLORATION OF SPACE.
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