The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 85
... radio and radar in space , and this is a subject of almost as much importance as the building of rocket motors themselves . It is true that without rockets space - travel would be impossible ( at least in the present state of our ...
... radio and radar in space , and this is a subject of almost as much importance as the building of rocket motors themselves . It is true that without rockets space - travel would be impossible ( at least in the present state of our ...
Pagina 153
... radio waves , which have much greater penetrating power and so may be able to teach us something about the structure of parts of the Universe which we can never “ see ” in the ordinary way . Because radio waves are about a million times ...
... radio waves , which have much greater penetrating power and so may be able to teach us something about the structure of parts of the Universe which we can never “ see ” in the ordinary way . Because radio waves are about a million times ...
Pagina 157
Arthur Charles Clarke. RADIO RELAY 24 HOUR ORBIT ( 26,000 MILES RADIUS ) RADIO RELAY BEAM RADIO LINK POLAR RADIO RELAY channels , and would provide navigation and air safety services. BROADCAST- SERVICE MET STATION ORBIT REFUELLING ZONE ...
Arthur Charles Clarke. RADIO RELAY 24 HOUR ORBIT ( 26,000 MILES RADIUS ) RADIO RELAY BEAM RADIO LINK POLAR RADIO RELAY channels , and would provide navigation and air safety services. BROADCAST- SERVICE MET STATION ORBIT REFUELLING ZONE ...
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