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 104
... minutes , during which time the ship would cover a distance of a hundred and sixty miles . It would certainly seem dangerous - not to men- tion hard on the nerves of the crew ! -to wait until the Moon was so close before doing any ...
... minutes , during which time the ship would cover a distance of a hundred and sixty miles . It would certainly seem dangerous - not to men- tion hard on the nerves of the crew ! -to wait until the Moon was so close before doing any ...
Pagina 127
... minutes even in the sitting position . Lying down , the tolerance to acceleration is very greatly increased and a man can survive even twenty gravities for periods of up to a minute . The human body is built , therefore , to far more ...
... minutes even in the sitting position . Lying down , the tolerance to acceleration is very greatly increased and a man can survive even twenty gravities for periods of up to a minute . The human body is built , therefore , to far more ...
Pagina 179
... minutes . ( The record is actually fifteen minutes ! ) An atmosphere of reasonable density would also simplify the construction of buildings , because it could be arranged that the pressures inside and out were the same , even if the ...
... minutes . ( The record is actually fifteen minutes ! ) An atmosphere of reasonable density would also simplify the construction of buildings , because it could be arranged that the pressures inside and out were the same , even if the ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
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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