The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 37
... material and effort needed to produce a relatively small result . But it is a way , and at the time it was the only ... materials , it would be possible to build rockets which could escape from the Earth carrying a small payload of ...
... material and effort needed to produce a relatively small result . But it is a way , and at the time it was the only ... materials , it would be possible to build rockets which could escape from the Earth carrying a small payload of ...
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 161
... material was ejected from the station or fresh stores were taken aboard . No doubt with the further development of astronautics artificial satellites will be built elsewhere than near the Earth . Often there would be existing asteroids ...
... material was ejected from the station or fresh stores were taken aboard . No doubt with the further development of astronautics artificial satellites will be built elsewhere than near the Earth . Often there would be existing asteroids ...
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