The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 72
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manœuvre would be carried out according to a prearranged programme , in order to put the ship into an orbit that had been ...
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manœuvre would be carried out according to a prearranged programme , in order to put the ship into an orbit that had been ...
Pagina 93
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calculate how much matter a volume of space equal to that of the Earth would contain . The answer is - about a quarter of an ounce of meteors ...
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calculate how much matter a volume of space equal to that of the Earth would contain . The answer is - about a quarter of an ounce of meteors ...
Pagina 98
... give any assistance . This is because vision alone is quite sufficient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weightlessness , though it may take some time ...
... give any assistance . This is because vision alone is quite sufficient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weightlessness , though it may take some time ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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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