The Exploration of SpaceHarper, 1951 - 199 pagini |
Din interiorul cărții
Rezultatele 1 - 3 din 52
Pagina 18
... carry scientific in- struments to heights never before imagined.1 It would even be possible , Goddard concluded , to ... carry scientific instruments a hundred miles vertically , then it could carry explosives a considerably greater ...
... carry scientific in- struments to heights never before imagined.1 It would even be possible , Goddard concluded , to ... carry scientific instruments a hundred miles vertically , then it could carry explosives a considerably greater ...
Pagina 25
... carry their oxygen , of course , but in this case it is already combined chemically in whatever explosive is ... carrying vehicle for high THE ROCKET 25.
... carry their oxygen , of course , but in this case it is already combined chemically 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
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
Drept de autor | |
16 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
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