The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina xii
... Astronautics , perhaps even more than nuclear physics , raises questions far outside the purely technical domain . The possibility of space - flight is often admitted by those who can see no point in its accomplishment , or who ask the ...
... Astronautics , perhaps even more than nuclear physics , raises questions far outside the purely technical domain . The possibility of space - flight is often admitted by those who can see no point in its accomplishment , or who ask the ...
Pagina 93
... astronautics , unless we can overcome the physiological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only through the eyes of our robots . As far as temperature and pressure are ...
... astronautics , unless we can overcome the physiological ones as well we will be doomed to remain for ever on our native planet , able to look at other worlds only through the eyes of our robots . As far as temperature and pressure are ...
Pagina 142
... astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim to thoroughness , we cannot overlook these difficulties . The speed with which the planets are explored and ...
... astronautics , who no doubt feel that they already have enough to deal with . Yet if our survey of the subject is to have claim to thoroughness , we cannot overlook these difficulties . The speed with which the planets are explored and ...
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