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 96
... temperature . The " temperature of space " is a sub- ject about which there is much confusion , the general idea being that it is extremely cold outside the atmo- sphere . In fact , the reverse is nearer the truth . Consider the case of ...
... temperature . The " temperature of space " is a sub- ject about which there is much confusion , the general idea being that it is extremely cold outside the atmo- sphere . In fact , the reverse is nearer the truth . Consider the case of ...
Pagina 123
... temperature of space . " These hydrogen atoms are moving at considerable speeds - speeds which in a gas under normal conditions would correspond to a temperature of 20,000 degrees F. or more . But because of the extremely low density of ...
... temperature of space . " These hydrogen atoms are moving at considerable speeds - speeds which in a gas under normal conditions would correspond to a temperature of 20,000 degrees F. or more . But because of the extremely low density of ...
Pagina 174
... temperature of -300 degrees F. , might take over . It is true that most chemical reactions pro- ceed very slowly , if at all , at low temperatures . How- ever , fluorine , the most reactive of all elements , could conceivably replace ...
... temperature of -300 degrees F. , might take over . It is true that most chemical reactions pro- ceed very slowly , if at all , at low temperatures . How- ever , fluorine , the most reactive of all elements , could conceivably replace ...
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