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 91
... heat up a gas and let it expand in this fashion , we would have a type of rocket . The heat need not come from a chemical reaction : its origin is of no importance , and a nuclear reaction would do just as well . This means that we ...
... heat up a gas and let it expand in this fashion , we would have a type of rocket . The heat need not come from a chemical reaction : its origin is of no importance , and a nuclear reaction would do just as well . This means that we ...
Pagina 96
... heat and so be quite cool . The dark ( or night ) side of the body would be cold in any case , since it is continually losing heat by radia- tion and has none coming in . However , if the body were a good conductor , the temperature ...
... heat and so be quite cool . The dark ( or night ) side of the body would be cold in any case , since it is continually losing heat by radia- tion and has none coming in . However , if the body were a good conductor , the temperature ...
Pagina 181
... heat loss during the night . The best arrangement would be a dome which was transparent during the day , and so collected heat on the " greenhouse " principle , and which could be made opaque at night . The remoter planets and ...
... heat loss during the night . The best arrangement would be a dome which was transparent during the day , and so collected heat on the " greenhouse " principle , and which could be made opaque at night . The remoter planets and ...
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