The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 52
... satellite space- ship would consider himself at rest and the planet below would seem to be spinning round . As the tanker rocket climbed up to meet him , it would automatically have to match his speed in order to stay in the same orbit ...
... satellite space- ship would consider himself at rest and the planet below would seem to be spinning round . As the tanker rocket climbed up to meet him , it would automatically have to match his speed in order to stay in the same orbit ...
Pagina 150
... satellite ( even one carrying no men or instruments ) would also be invaluable as aid to navigation , provided that ... satellites would greatly ease the problem . The use of space - stations for biological research is a somewhat ...
... satellite ( even one carrying no men or instruments ) would also be invaluable as aid to navigation , provided that ... satellites would greatly ease the problem . The use of space - stations for biological research is a somewhat ...
Pagina 157
... satellite would continue to circle the Earth forever with clockwork precision , this is not perfectly correct . The disturb- ing effect of the Sun and Moon , and the attraction of the Earth's own equatorial bulge , would slowly alter ...
... satellite would continue to circle the Earth forever with clockwork precision , this is not perfectly correct . The disturb- ing effect of the Sun and Moon , and the attraction of the Earth's own equatorial bulge , would slowly alter ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbors | 9 |
The Rocket | 17 |
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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 satellites 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