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 53
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be followed ... developed . We do this because experience has shown that , though many people can see from the example of the ...
... develop more powerful fuels , or evolve new methods of construction . Both these lines of attack will certainly be followed ... developed . We do this because experience has shown that , though many people can see from the example of the ...
Pagina 157
... develop — although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
... develop — although this seems contrary to what one would expect from theory . All the planets appear to have been ... developed flying machines which could take them above the clouds , or radio equipment which could pick up the waves ...
Pagina 227
... develop- ing our own world before going to others ? " We have already given several answers to this ques- tion , pointing out that many of the indirect conse- quences of space - travel will in fact help us to develop our own world ...
... develop- ing our own world before going to others ? " We have already given several answers to this ques- tion , pointing out that many of the indirect conse- quences of space - travel will in fact help us to develop our own world ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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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