The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 27
... effect of this reduction , for a rocket rising vertically , is 20 m.p.h. for every second of climb - or 1,200 m.p.h. for every minute . These two factors may reduce a rocket's final velocity to about 70 per cent . of its theoretical ...
... effect of this reduction , for a rocket rising vertically , is 20 m.p.h. for every second of climb - or 1,200 m.p.h. for every minute . These two factors may reduce a rocket's final velocity to about 70 per cent . of its theoretical ...
Pagina 197
Arthur Charles Clarke. Index 19 ,. Acceleration ( see also Gravity , Weightlessness ) effects of , 94-6 Air resistance ... effect on radio , 86 Jupiter , 135-6 Kepler , Johannes , 3 Life in universe , 171-2 , 191-2 on Mars , 129 on Moon ...
Arthur Charles Clarke. Index 19 ,. Acceleration ( see also Gravity , Weightlessness ) effects of , 94-6 Air resistance ... effect on radio , 86 Jupiter , 135-6 Kepler , Johannes , 3 Life in universe , 171-2 , 191-2 on Mars , 129 on Moon ...
Pagina 198
... effect of ionosphere on , 86 position finding by , 82 relaying , by space stations , 156 Refuelling in orbit , 47 , 53-4 , 59 , 155 on Moon , 116-7 on Titan , 137 Relativity , Theory of effects at high speeds , 176-8 , 180 Rockets ...
... effect of ionosphere on , 86 position finding by , 82 relaying , by space stations , 156 Refuelling in orbit , 47 , 53-4 , 59 , 155 on Moon , 116-7 on Titan , 137 Relativity , Theory of effects at high speeds , 176-8 , 180 Rockets ...
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