The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 98
... seems likely that the condition of weightlessness , though it may take some time to get used to , is not going to be harmful and need not even be unpleasant . ( It may , in fact , be the reverse , for it will make possible at last the ...
... seems likely that the condition of weightlessness , though it may take some time to get used to , is not going to be harmful and need not even be unpleasant . ( It may , in fact , be the reverse , for it will make possible at last the ...
Pagina 166
... seems too small to be a sun and may therefore be a very large planet . There is clearly no hope of detecting worlds as small as Earth by the gravitational disturbances they produce , but if we can discover even a few giant planets by ...
... seems too small to be a sun and may therefore be a very large planet . There is clearly no hope of detecting worlds as small as Earth by the gravitational disturbances they produce , but if we can discover even a few giant planets by ...
Pagina 182
Arthur Charles Clarke. reasonable attitude towards them would seem to be one of open- minded scepticism . It certainly seems very probable that there can be no other technically advanced civilisation in the Solar System at the present ...
Arthur Charles Clarke. reasonable attitude towards them would seem to be one of open- minded scepticism . It certainly seems very probable that there can be no other technically advanced civilisation in the Solar System at the present ...
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