The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 80
... become apparent that the ship's actual position was beginning to deviate from the orbit it should be following owing to the inevitable errors in the initial period of powered flight . It might then become necessary to alter the ship's ...
... become apparent that the ship's actual position was beginning to deviate from the orbit it should be following owing to the inevitable errors in the initial period of powered flight . It might then become necessary to alter the ship's ...
Pagina 151
... become very extensive affairs - real " space - ports " with elaborate harbor facilities and huge hangars which could be pressurized to assist repair work . One would expect to find in them everything which a present - day seaport or ...
... become very extensive affairs - real " space - ports " with elaborate harbor facilities and huge hangars which could be pressurized to assist repair work . One would expect to find in them everything which a present - day seaport or ...
Pagina 179
... become elementary to the next . Once again the history of aeronautics provides a useful parallel . If the Wright brothers had ever sat down and considered just what would be needed to run a world air - transport system , they would have ...
... become elementary to the next . Once again the history of aeronautics provides a useful parallel . If the Wright brothers had ever sat down and considered just what would be needed to run a world air - transport system , they would have ...
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