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 178
... astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim to thoroughness , we cannot overlook these difficulties . The speed with which the planets are explored and ...
... astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim to thoroughness , we cannot overlook these difficulties . The speed with which the planets are explored and ...
Pagina 208
... astronautics - though it does so in an oddly indirect fashion . One seldom hears them say outright : “ Oh yes , I believe that ultimately it may be possible to reach the stars as well as the planets . " But if anyone attempts to prove ...
... astronautics - though it does so in an oddly indirect fashion . One seldom hears them say outright : “ Oh yes , I believe that ultimately it may be possible to reach the stars as well as the planets . " But if anyone attempts to prove ...
Pagina 226
... astronautics and are therefore still a consider- able distance in the future . There is little doubt that a great many scientists and engineers whose only interest in the rocket is as a means of crossing space have become involved in ...
... astronautics and are therefore still a consider- able distance in the future . There is little doubt that a great many scientists and engineers whose only interest in the rocket is as a means of crossing space have become involved in ...
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