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 19
... least a hundred miles . Where there are volcanoes , there must be oases of warmth , as well as all the chemicals needed for life . Perhaps we have been looking in the wrong places .... The exploration of space has barely begun , yet al ...
... least a hundred miles . Where there are volcanoes , there must be oases of warmth , as well as all the chemicals needed for life . Perhaps we have been looking in the wrong places .... The exploration of space has barely begun , yet al ...
Pagina 157
... least of the terrestrial type , as growing plants release oxygen and no trace of this has been detected . Venus may be a planet in such an early state of evolution that life has not had a chance to develop — although this seems contrary ...
... least of the terrestrial type , as growing plants release oxygen and no trace of this has been detected . Venus may be a planet in such an early state of evolution that life has not had a chance to develop — although this seems contrary ...
Pagina 179
... least as dense as Earth's , but probably not so compressed that it would be dan- gerous to human life . Thus while we may have to carry oxygen on Venus , we should require no additional mechanical aids - there will be no need for the ...
... least as dense as Earth's , but probably not so compressed that it would be dan- gerous to human life . Thus while we may have to carry oxygen on Venus , we should require no additional mechanical aids - there will be no need for the ...
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