The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 72
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manoeuvre would be carried out according to a prearranged programme , in order to put the ship into an orbit that had been ...
... give a lower acceleration , in order to make it easier to make the final velocity adjustments . The whole manoeuvre would be carried out according to a prearranged programme , in order to put the ship into an orbit that had been ...
Pagina 93
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calculate how much matter a volume of space equal to that of the Earth would contain . The answer is - about a quarter of an ounce of meteors ...
... give any heat to a body immersed in them . Before leaving this subject , it is interesting to calculate how much matter a volume of space equal to that of the Earth would contain . The answer is - about a quarter of an ounce of meteors ...
Pagina 98
... give any assistance . This is because vision alone is quite sufficient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weightlessness , though it may take some time ...
... give any assistance . This is because vision alone is quite sufficient to give us a " reference system " without the aid of any other organs . It therefore seems likely that the condition of weightlessness , though it may take some time ...
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