The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 51
rocket by tilting the motor , but this requires rather complicated engineering and would certainly not be used for very large rockets . A design for a man - carrying vehicle for high - altitude research , based on the classic V.2 ...
rocket by tilting the motor , but this requires rather complicated engineering and would certainly not be used for very large rockets . A design for a man - carrying vehicle for high - altitude research , based on the classic V.2 ...
Pagina 138
We cannot , of course , be sure of this until we have made surveys from close at hand , but certainly there must be many places where a landing could be made without difficulty . The radio measurements mentioned above suggest that the ...
We cannot , of course , be sure of this until we have made surveys from close at hand , but certainly there must be many places where a landing could be made without difficulty . The radio measurements mentioned above suggest that the ...
Pagina 202
We are still by no means sure how planets are formed , but it is felt that many , if not most , stars may possess them . Certainly among the 100,000,000,000 stars of this Galaxy alone , there must be myriads with solar systems .
We are still by no means sure how planets are formed , but it is felt that many , if not most , stars may possess them . Certainly among the 100,000,000,000 stars of this Galaxy alone , there must be myriads with solar systems .
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Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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able acceleration achieved actual already appear astronautics atmosphere become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discuss distance Earth effect energy equal escape exist exploration extremely fact fall field Figure fuel give gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing later least less light limit live look lunar Mars material matter means miles million minutes Moon moving necessary never normal observed once orbit oxygen perhaps period planets possible practical present pressure probably problem produce purely radio range reach reason remain rocket round satellite scientific seems seen ship simple Solar space spaceship speed stars surface telescope temperature thousand tion velocity Venus weight
Referințe la această carte
The MIR Space Station: A Precursor to Space Colonization David M. Harland Vizualizare fragmente - 1997 |
Space Travel: A History Wernher Von Braun,Frederick Ira Ordway (III),Fred Durant,David Dooling Vizualizare fragmente - 1985 |