The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 149
... space - station may be the first task of astronautics , antedating even the journey to the Moon . If one uses the word " space - station " to describe any artificial structure in a permanent , stable orbit , this view is certainly ...
... space - station may be the first task of astronautics , antedating even the journey to the Moon . If one uses the word " space - station " to describe any artificial structure in a permanent , stable orbit , this view is certainly ...
Pagina 155
... space . We have seen that even the use of chemically fuelled rockets need not subject passengers to abnormally high or dangerous accelerations , so there is no reason why invalids should not travel in spaceships almost as safely as ...
... space . We have seen that even the use of chemically fuelled rockets need not subject passengers to abnormally high or dangerous accelerations , so there is no reason why invalids should not travel in spaceships almost as safely as ...
Pagina 198
... Space mirror , " 158 Space station , see Satellites , artificial Space suit , 112-3 Spaceship air supply in , 65-7 artificial gravity in , 99 communication with , 85 controlling in space , 73-5 danger from meteors , 90-2 design of , 55 ...
... Space mirror , " 158 Space station , see Satellites , artificial Space suit , 112-3 Spaceship air supply in , 65-7 artificial gravity in , 99 communication with , 85 controlling in space , 73-5 danger from meteors , 90-2 design of , 55 ...
Cuprins
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 3 |
Spaceships Refuelling In Free Orbit | 4 |
The Earth and its Neighbours | 9 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical climb 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 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 Propontis 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