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 68
... close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio beam . It is unlikely that true television would be possible , with an apparatus ...
... close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio beam . It is unlikely that true television would be possible , with an apparatus ...
Pagina 151
... own satellite , with Earth close at hand to help , we will learn the skills and techniques which may one day bring life to worlds as far apart as Mercury and Pluto . The Inner Planets Hesper - Venus - were we native 151.
... own satellite , with Earth close at hand to help , we will learn the skills and techniques which may one day bring life to worlds as far apart as Mercury and Pluto . The Inner Planets Hesper - Venus - were we native 151.
Pagina 158
... close at hand . That it was relatively close they would have realized after a few days ' observations , for it would be shifting rapidly against the fixed background of the Milky Way . After several months they would know that the ...
... close at hand . That it was relatively close they would have realized after a few days ' observations , for it would be shifting rapidly against the fixed background of the Milky Way . After several months they would know that the ...
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