The Exploration of Space |
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The invention of the balloon ( in 1783 ) had diverted attention to travel inside the air , and had also shown conclusively that men could not live unaided at great altitudes . The Moon and planets had become much less accessible than ...
The invention of the balloon ( in 1783 ) had diverted attention to travel inside the air , and had also shown conclusively that men could not live unaided at great altitudes . The Moon and planets had become much less accessible than ...
Pagina 13
We cannot live if the pressure of the surrounding air falls below about one - half of its sea - level value , and most men would be practically incapacitated well before this figure was reached . As we ascend from the Earth's surface ...
We cannot live if the pressure of the surrounding air falls below about one - half of its sea - level value , and most men would be practically incapacitated well before this figure was reached . As we ascend from the Earth's surface ...
Pagina 160
at all , so in the one station it would be possible for the staff to live normal lives yet carry out zero - gravity experiments whenever they wished . Other satellites — particularly those used for astronomical research , where ...
at all , so in the one station it would be possible for the staff to live normal lives yet carry out zero - gravity experiments whenever they wished . Other satellites — particularly those used for astronomical research , where ...
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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 |