The Exploration of SpaceTemple Press, 1951 - 198 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 196
... effects of , 94-6 Air resistance , for landing space- ships , 49 Aircraft , use on planets , 143-4 Asteroids , 134-5 ... effect on radio , 86 Jupiter , 135-6 Kepler , Johannes , 3 Life in universe , 171-2 , 191-2 on Mars , 129 on Moon ...
... effects of , 94-6 Air resistance , for landing space- ships , 49 Aircraft , use on planets , 143-4 Asteroids , 134-5 ... effect on radio , 86 Jupiter , 135-6 Kepler , Johannes , 3 Life in universe , 171-2 , 191-2 on Mars , 129 on Moon ...
Pagina 197
... 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 |
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 4 |
Spaceships Refuelling In Free Orbit | 4 |
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acceleration already asteroids astronautics astronomers atmosphere atomic rockets 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 flywheel free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors 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 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