The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina xi
... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is nothing in this ...
... present work has , therefore , been prepared for the benefit of all those who are interested in the " why " and " how " of astronautics yet do not wish to go into too many scientific details . I believe that there is nothing in this ...
Pagina xiii
... Present Edition N the three years since the first edition of this book was published , there have been no major developments in astronautics making necessary any alteration of the text . Rocket research has continued on an increasing ...
... Present Edition N the three years since the first edition of this book was published , there have been no major developments in astronautics making necessary any alteration of the text . Rocket research has continued on an increasing ...
Pagina 144
... present in very large quantities on Mars and Venus , though in each case combined with other elements , the provision of a breathable atmosphere is a problem of chemical engineering which is , in principle , capable of a solution . As ...
... present in very large quantities on Mars and Venus , though in each case combined with other elements , the provision of a breathable atmosphere is a problem of chemical engineering which is , in principle , capable of a solution . As ...
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