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
... extremely complex electronic brain , the missile is now surveying the planet at close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio ...
... extremely complex electronic brain , the missile is now surveying the planet at close quarters . A camera is photographing the landscape below , and the resulting pictures are being transmitted to the distant Earth along a narrow radio ...
Pagina 96
... extremely cold outside the atmo- sphere . In fact , the reverse is nearer the truth . Consider the case of a solid body floating in space at the Earth's distance from the Sun. One side will be in shadow , the other in full sunlight ...
... extremely cold outside the atmo- sphere . In fact , the reverse is nearer the truth . Consider the case of a solid body floating in space at the Earth's distance from the Sun. One side will be in shadow , the other in full sunlight ...
Pagina 173
... extremely eccentric orbits that take them hundreds of times further from the Sun than Neptune or Pluto . Their origin and structure involve problems which are still unsolved , and as they are almost entirely composed of gas at a density ...
... extremely eccentric orbits that take them hundreds of times further from the Sun than Neptune or Pluto . Their origin and structure involve problems which are still unsolved , and as they are almost entirely composed of gas at a density ...
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