The Exploration of SpaceTemple Press, 1951 - 198 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 manoeuvre 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 manoeuvre 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 154
... give the overall picture almost literally at a glance . An orbital satellite ( even one carrying no men or instruments ) would also be invaluable as aid to navigation , provided that it was bright enough to be observed visually from the ...
... give the overall picture almost literally at a glance . An orbital satellite ( even one carrying no men or instruments ) would also be invaluable as aid to navigation , provided that it was bright enough to be observed visually from the ...
Cuprins
Automatic Rocket Surveying Mars | 3 |
The Earth and its Neighbours | 9 |
The Rocket | 17 |
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acceleration already astronautics astronomers atmosphere body bricks British Astronomical Association 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 involved ionosphere journey Jupiter landing light light-years lunar 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 trolley Uranus voyage weight