The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
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Pagina 36
... live if the pressure of the surrounding air falls below about one- half of its sea - level value , and most men would be practically incapacitated well before this figure was reached . As we ascend from the Earth's surface , the ...
... live if the pressure of the surrounding air falls below about one- half of its sea - level value , and most men would be practically incapacitated well before this figure was reached . As we ascend from the Earth's surface , the ...
Pagina 181
... live exactly as they would on Earth : only when they ventured outside would they have to put on their breathing equipment . If desired , the domes might be made of some transparent , flexible plastic to let through the sunlight , though ...
... live exactly as they would on Earth : only when they ventured outside would they have to put on their breathing equipment . If desired , the domes might be made of some transparent , flexible plastic to let through the sunlight , though ...
Pagina 231
... live in a far more wonderful and even more mysterious world than did our ancestors . We will not exhaust the marvels of the physical Uni- verse until we have explored the whole Cosmos - and that prospect is still , to say the least ...
... live in a far more wonderful and even more mysterious world than did our ancestors . We will not exhaust the marvels of the physical Uni- verse until we have explored the whole Cosmos - and that prospect is still , to say the least ...
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
acceleration airless already astronautics astronomers atmo atmosphere body bricks build carry certainly Chapter chemical completely conquest of space consider course crew degrees F difficult direction distance Earth energy enormous escape velocity exist exploration extremely fact Figure fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere Jerry Pournelle journey Jupiter landing large number light light-years lunar Mars and Venus Martian means Mercury meteors miles in diameter million minutes missile Moon Moon's motors never normal observed once oxygen payload perhaps planetary planets Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri radar radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spin stars stations surface take-off telescope temperature thousand thrust tion trolley voyage weight weightless