The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 4
... scientific discussion of the Moon , its physical condition , and the possibility that it might have inhabitants . But Wilkins went further than this , for he concluded that there was no reason why men should not one day invent a means ...
... scientific discussion of the Moon , its physical condition , and the possibility that it might have inhabitants . But Wilkins went further than this , for he concluded that there was no reason why men should not one day invent a means ...
Pagina 18
... scientific instruments to heights never before imagined.1 It would even be possible , Goddard concluded , to project a sufficient quantity of magnesium powder to the Moon for the flash to be observed by terrestrial telescopes . Goddard ...
... scientific instruments to heights never before imagined.1 It would even be possible , Goddard concluded , to project a sufficient quantity of magnesium powder to the Moon for the flash to be observed by terrestrial telescopes . Goddard ...
Pagina 188
... scientific activity — even in medicine , for the power to heal is also the power to kill . It is , however , certainly more acute for the rocket engineer than anyone else except perhaps the nuclear physicist . He can only hope , if he ...
... scientific activity — even in medicine , for the power to heal is also the power to kill . It is , however , certainly more acute for the rocket engineer than anyone else except perhaps the nuclear physicist . He can only hope , if he ...
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