The Exploration of Space |
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Pagina 35
However , there is a definite limit to this process — a “ ceiling " to the performance we can expect by the use of chemical fuels , even when they have been developed to the utmost . That ceiling appears to be at about double the values ...
However , there is a definite limit to this process — a “ ceiling " to the performance we can expect by the use of chemical fuels , even when they have been developed to the utmost . That ceiling appears to be at about double the values ...
Pagina 123
Venus may be a planet in such an early state of evolution that life has not had a chance to develop — although this seems ... can never look out into space , they must have developed the other sciences before they came to astronomy .
Venus may be a planet in such an early state of evolution that life has not had a chance to develop — although this seems ... can never look out into space , they must have developed the other sciences before they came to astronomy .
Pagina 147
Conditions on the other planets will probably stimulate the development of robots which can replace man in hazardous ... When one considers some of the heavy machines which we have developed during the last generation to change the face ...
Conditions on the other planets will probably stimulate the development of robots which can replace man in hazardous ... When one considers some of the heavy machines which we have developed during the last generation to change the face ...
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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
Informații bibliografice
| Titlu | The Exploration of Space |
| Autor | Arthur Charles Clarke |
| Editor | Temple Press, 1951 |
| Exemplar original de la | Universitatea din Michigan |
| Scanată la | 14 Dec 2007 |
| Lungime | 198 pagini |
| Exportă citatul | BiBTeX EndNote RefMan |