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 81
... satellite spaceship would consider himself at rest and the planet below would seem to be spinning round . As the tanker rocket climbed up to meet him , it would automatically have to match his speed in order to stay in the same orbit ...
... satellite spaceship would consider himself at rest and the planet below would seem to be spinning round . As the tanker rocket climbed up to meet him , it would automatically have to match his speed in order to stay in the same orbit ...
Pagina 172
... satellites , being about 3,000 miles in diameter , but for some reason it has never been officially named and the " Nautical Al- manac , " the arbiter in such matters , always refers to it long - windedly as " the satellite of Neptune ...
... satellites , being about 3,000 miles in diameter , but for some reason it has never been officially named and the " Nautical Al- manac , " the arbiter in such matters , always refers to it long - windedly as " the satellite of Neptune ...
Pagina 187
... satellite was intended to fulfill . A satellite a few hundred miles above the Equator would , because of the Earth's curvature , be visible only in a rather narrow band around the planet : and con- versely , it would be able to survey ...
... satellite was intended to fulfill . A satellite a few hundred miles above the Equator would , because of the Earth's curvature , be visible only in a rather narrow band around the planet : and con- versely , it would be able to survey ...
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