The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 92
... temperature of 20,000 degrees F. or more . But because of the extremely low density of the " gas " , the actual heat ... temperature " and " heat " ! For though the occasional hydrogen atoms might be at very high temperatures , one would ...
... temperature of 20,000 degrees F. or more . But because of the extremely low density of the " gas " , the actual heat ... temperature " and " heat " ! For though the occasional hydrogen atoms might be at very high temperatures , one would ...
Pagina 108
... temperature would be constant and far below freezing point . Like Great Britain , the Moon has no climate - only weather . Because of the virtual lack of air , the temperature extremes between night and day are very great , and these ...
... temperature would be constant and far below freezing point . Like Great Britain , the Moon has no climate - only weather . Because of the virtual lack of air , the temperature extremes between night and day are very great , and these ...
Pagina 109
... temperature drops to about 250 degrees below zero Fahrenheit , a total " daily " range of more than 400 degrees ! For comparison , the highest and lowest temperatures ever recorded on Earth are +136 degrees and -94 degrees F. It should ...
... temperature drops to about 250 degrees below zero Fahrenheit , a total " daily " range of more than 400 degrees ! For comparison , the highest and lowest temperatures ever recorded on Earth are +136 degrees and -94 degrees F. It should ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
Automatic Rocket Surveying Mars | 4 |
THE EARTH AND ITS NEIGHBOURS | 9 |
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acceleration already astronautics astronomers atmosphere atomic rockets body bricks British Astronomical Association build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust trolley Uranus voyage weight