The Exploration of Space |
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Pagina 69
It must also be remembered that a considerable amount of heat would be generated inside the spaceship by the bodies of the passengers . A double - hulled ship in space would behave like a very efficient thermos flask , and it would ...
It must also be remembered that a considerable amount of heat would be generated inside the spaceship by the bodies of the passengers . A double - hulled ship in space would behave like a very efficient thermos flask , and it would ...
Pagina 92
considerable period of time , numerous tiny holes in the hull which would add to the natural air - loss from the structure . The magnitude of this effect can only be discovered by experiment , and its remedy may not be anything more ...
considerable period of time , numerous tiny holes in the hull which would add to the natural air - loss from the structure . The magnitude of this effect can only be discovered by experiment , and its remedy may not be anything more ...
Pagina 109
Most astronomers would still maintain this position , but a considerable number of experienced observers claim to have detected changes in certain areas which suggest the existence of vegetation . It is by no means difficult to imagine ...
Most astronomers would still maintain this position , but a considerable number of experienced observers claim to have detected changes in certain areas which suggest the existence of vegetation . It is by no means difficult to imagine ...
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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 moving 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 seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole