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 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
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able acceleration actual already appear astronautics astronomers atmosphere atomic become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discovered discuss distance Earth effect energy escape exist exploration extremely fact fall field Figure fuel give given gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles minutes Moon motors necessary never observed once orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason relatively remain rocket round satellite scientific seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole