The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 11
... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is noth- ing in this ...
... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is noth- ing in this ...
Pagina 162
... present on Mars . The prospects for animal life appear somewhat gloomy , unless evolution has produced creatures which do not require oxygen at all . Otherwise , conditions on the planet are not too unfavorable and even life - forms ...
... present on Mars . The prospects for animal life appear somewhat gloomy , unless evolution has produced creatures which do not require oxygen at all . Otherwise , conditions on the planet are not too unfavorable and even life - forms ...
Pagina 179
... present to some extent on a world like the Moon , would be removed . The existence of an atmosphere also means that air transport would be possible , with all that this implies in ease of travel and exploration . As we have pointed out ...
... present to some extent on a world like the Moon , would be removed . The existence of an atmosphere also means that air transport would be possible , with all that this implies in ease of travel and exploration . As we have pointed out ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
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acceleration airless already astronautics astronomers atmo atmosphere body bricks build carry certainly Chapter chemical completely conquest of space consider course crew degrees F difficult direction distance Earth energy enormous escape velocity exist exploration extremely fact Figure fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere Jerry Pournelle journey Jupiter landing large number light light-years lunar Mars and Venus Martian means Mercury meteors miles in diameter million minutes missile Moon Moon's motors never normal observed once oxygen payload perhaps planetary planets Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri radar radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spin stars stations surface take-off telescope temperature thousand thrust tion trolley voyage weight weightless