The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 114
... possible to establish a small camp on a permanent basis , keeping it sup- plied by a regular service of ships from Earth . A great effort would be made to set up an observatory with a telescope of moderate size : in fact it would be ...
... possible to establish a small camp on a permanent basis , keeping it sup- plied by a regular service of ships from Earth . A great effort would be made to set up an observatory with a telescope of moderate size : in fact it would be ...
Pagina 115
... possible by such conditions as low gravity and airlessness . The same arguments will apply , with minor modifications , to the case of the Moon . We have already mentioned the quest for oxygen and water , and there is every reason to ...
... possible by such conditions as low gravity and airlessness . The same arguments will apply , with minor modifications , to the case of the Moon . We have already mentioned the quest for oxygen and water , and there is every reason to ...
Pagina 116
... possible to generate electrical power on a large scale from nuclear sources . The power unit of an atomic rocket would provide ample energy to run turbines and generators . There is a good deal to be said for moving the lunar base ...
... possible to generate electrical power on a large scale from nuclear sources . The power unit of an atomic rocket would provide ample energy to run turbines and generators . There is a good deal to be said for moving the lunar base ...
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