The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 35
... never cross the Atlantic- the coal consumption would be far too great . A century later , the birth of flight was ... never carry the weight of a passenger as well as a pilot ! ) The lesson of this is that it is never safe to make what ...
... never cross the Atlantic- the coal consumption would be far too great . A century later , the birth of flight was ... never carry the weight of a passenger as well as a pilot ! ) The lesson of this is that it is never safe to make what ...
Pagina 58
... never lands on any planet . Its function is to travel from an orbit round the Earth to an orbit round the Moon , Mars , or any other world , carrying personnel , fuel and stores . At its destination it would be met by a Type A or B ship ...
... never lands on any planet . Its function is to travel from an orbit round the Earth to an orbit round the Moon , Mars , or any other world , carrying personnel , fuel and stores . At its destination it would be met by a Type A or B ship ...
Pagina 194
... never have an end . Somewhere on that journey we may at last learn what purpose , if any , life plays in the Universe of matter : certainly we can never learn it on this Earth alone . Among the stars lies the proper study of mankind ...
... never have an end . Somewhere on that journey we may at last learn what purpose , if any , life plays in the Universe of matter : certainly we can never learn it on this Earth alone . Among the stars lies the proper study of mankind ...
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