The Exploration of Space |
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Pagina 52
Perhaps the only time in our normal lives when we do experience a momentary feeling of near - weightlessness is in a high - speed lift , just as it begins its descent . Parachute jumpers also know it , for a fraction of a second ...
Perhaps the only time in our normal lives when we do experience a momentary feeling of near - weightlessness is in a high - speed lift , just as it begins its descent . Parachute jumpers also know it , for a fraction of a second ...
Pagina 57
EDMUND BLUNDEN — Aircraft A N analysis of the problem suggests that we shall need three separate types of ship for the conquest of space — or , perhaps , two main types , one of which is sub - divided . They are as follows : ( A ) The ...
EDMUND BLUNDEN — Aircraft A N analysis of the problem suggests that we shall need three separate types of ship for the conquest of space — or , perhaps , two main types , one of which is sub - divided . They are as follows : ( A ) The ...
Pagina 187
Perhaps one day men will no longer be interested in the unknown , no longer tantalised by mystery . This is possible , but when Man loses his curiosity one feels he will have lost most of the other things that make him human .
Perhaps one day men will no longer be interested in the unknown , no longer tantalised by mystery . This is possible , but when Man loses his curiosity one feels he will have lost most of the other things that make him human .
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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 moving 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 seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole