The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 149
... stations " for rockets might well become of secondary importance . Indeed , there is probably no need to use space - stations at all for this purpose , at least in the earlier stages of ... STATION Drawing by R. 150 Stations in Space.
... stations " for rockets might well become of secondary importance . Indeed , there is probably no need to use space - stations at all for this purpose , at least in the earlier stages of ... STATION Drawing by R. 150 Stations in Space.
Pagina 152
... station , but others demand such varying types of orbit that specialised stations would eventually have to be built , devoted to a single purpose . Thus the refuelling stations would be as near the Earth as possible ( perhaps only five ...
... station , but others demand such varying types of orbit that specialised stations would eventually have to be built , devoted to a single purpose . Thus the refuelling stations would be as near the Earth as possible ( perhaps only five ...
Pagina 156
... station . Complete coverage of the whole Earth would be provided by three stations , revolving in the same orbit but spaced 120 degrees apart . ( Figure 18. ) The obvious orbit for this purpose would be the 24 - hour one , 22,000 miles ...
... station . Complete coverage of the whole Earth would be provided by three stations , revolving in the same orbit but spaced 120 degrees apart . ( Figure 18. ) The obvious orbit for this purpose would be the 24 - hour one , 22,000 miles ...
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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Termeni și expresii frecvente
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