The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 66
... pressure outside it , being in a perfect vacuum , and so it must be strong enough to withstand the full internal pressure . To build a large container which will not burst when there is a force of one ton acting outwards on every square ...
... pressure outside it , being in a perfect vacuum , and so it must be strong enough to withstand the full internal pressure . To build a large container which will not burst when there is a force of one ton acting outwards on every square ...
Pagina 102
... pressure seriously . It has often been suggested that the crew of a punctured spaceship would be killed instantly and their bodies perhaps ruptured by the expansion of internal gases when the pressure was released . This is not the case ...
... pressure seriously . It has often been suggested that the crew of a punctured spaceship would be killed instantly and their bodies perhaps ruptured by the expansion of internal gases when the pressure was released . This is not the case ...
Pagina 144
... pressure suits and wearing only breathing masks . At the moment , the evidence is certainly against this , but the ... pressure alone — a method of support which , surprising though it seems , would allow the roofing of very large spaces ...
... pressure suits and wearing only breathing masks . At the moment , the evidence is certainly against this , but the ... pressure alone — a method of support which , surprising though it seems , would allow the roofing of very large spaces ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
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Termeni și expresii frecvente
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