The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 67
... temperature . The temperature of space is a subject about which there is much confusion , the general idea being that it is extremely cold outside the atmosphere . In fact , the reverse is nearer the truth . Consider the case of a solid ...
... temperature . The temperature of space is a subject about which there is much confusion , the general idea being that it is extremely cold outside the atmosphere . In fact , the reverse is nearer the truth . Consider the case of a solid ...
Pagina 90
... temperature of space . " These hydrogen atoms are moving at considerable speeds - speeds which in a gas under normal conditions would correspond to a tempera- ture of 20,000 degrees Fahrenheit or more . But because of the extremely low ...
... temperature of space . " These hydrogen atoms are moving at considerable speeds - speeds which in a gas under normal conditions would correspond to a tempera- ture of 20,000 degrees Fahrenheit or more . But because of the extremely low ...
Pagina 138
... temperature of - 300 degrees F. , might take over . It is true that most chemical reactions proceed very slowly , if at all , at low temperatures . However , 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 proceed very slowly , if at all , at low temperatures . However , fluorine , the most reactive of all elements , could conceivably replace ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless