The Exploration of Space |
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Pagina 109
astronomers until quite recently would have returned an unequivocal “ No ” , pointing out that the lack of air and the temperature extremes ruled out the possibility . Most astronomers would still maintain this position , but a ...
astronomers until quite recently would have returned an unequivocal “ No ” , pointing out that the lack of air and the temperature extremes ruled out the possibility . Most astronomers would still maintain this position , but a ...
Pagina 130
Few astronomers today accept this interpretation , and most do not believe in the existence of the canals at all . Yet there can be little doubt that large numbers of curious linear markings do exist on the planet .
Few astronomers today accept this interpretation , and most do not believe in the existence of the canals at all . Yet there can be little doubt that large numbers of curious linear markings do exist on the planet .
Pagina 133
Until recently , astronomers were unable to keep track of even the 1,500 or so already detected ... With this tedious work taken off their hands , astronomers no longer regard the asteroids with quite such a jaundiced eye .
Until recently , astronomers were unable to keep track of even the 1,500 or so already detected ... With this tedious work taken off their hands , astronomers no longer regard the asteroids with quite such a jaundiced eye .
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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 |