The Exploration of SpacePresents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 105
What sort of " undercarriage " our lunar spaceship would need is an interesting problem which cannot , perhaps , be completely solved until we know a good deal more about the surface of the Moon . By the time a landing is attempted we ...
What sort of " undercarriage " our lunar spaceship would need is an interesting problem which cannot , perhaps , be completely solved until we know a good deal more about the surface of the Moon . By the time a landing is attempted we ...
Pagina 138
The radio measurements mentioned above suggest that the lunar surface is covered with a layer of dust ( perhaps of meteoric origin ) about a millimeter thick . Some astronomers , before these measurements were available , had advanced ...
The radio measurements mentioned above suggest that the lunar surface is covered with a layer of dust ( perhaps of meteoric origin ) about a millimeter thick . Some astronomers , before these measurements were available , had advanced ...
Pagina 141
Even a few inches underground , the variations of temperature would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would be ...
Even a few inches underground , the variations of temperature would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would be ...
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Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
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Termeni și expresii frecvente
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 |