The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 18
... carry scientific instruments a hundred miles vertically , then it could carry explosives a considerably greater distance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German ...
... carry scientific instruments a hundred miles vertically , then it could carry explosives a considerably greater distance horizontally . All Goddard's initial pioneering work was financed by a grant of some $ 11,000 , but the German ...
Pagina 25
... carry their oxygen , of course , but in this case it is already combined chemic- ally in whatever explosive is ... carrying vehicle for high THE ROCKET 25.
... carry their oxygen , of course , but in this case it is already combined chemic- ally in whatever explosive is ... carrying vehicle for high THE ROCKET 25.
Pagina 36
... carry a payload of 400 tons and give it a certain speed , which could not be greatly increased even if we cut the payload down to one ton and made the remaining 399 tons into fuel . The three - step rocket , on the other hand , could ...
... carry a payload of 400 tons and give it a certain speed , which could not be greatly increased even if we cut the payload down to one ton and made the remaining 399 tons into fuel . The three - step rocket , on the other hand , could ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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acceleration already astronautics astronomers atmosphere 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 free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea 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 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