The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 56
... ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be carried to the planet by earlier Type C ships , or it might have traveled there previously under its own power . The " deep space " ...
... ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be carried to the planet by earlier Type C ships , or it might have traveled there previously under its own power . The " deep space " ...
Pagina 71
... ship to the Moon , high on the horizontal slope of the " pit " : for the last scores of thousands of miles of its ... ship into an orbit that had been calculated long in advance . It is very probable that the entire operation would be ...
... ship to the Moon , high on the horizontal slope of the " pit " : for the last scores of thousands of miles of its ... ship into an orbit that had been calculated long in advance . It is very probable that the entire operation would be ...
Pagina 73
... ship's center of gravity , and imagine that at first it is fixed rela- tive to the slowly turning ship . If now a motor starts to spin the flywheel in the direction shown , as the flywheel builds up speed the ship will gradually cease ...
... ship's center of gravity , and imagine that at first it is fixed rela- tive to the slowly turning ship . If now a motor starts to spin the flywheel in the direction shown , as the flywheel builds up speed the ship will gradually cease ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless