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 50
... fuel but , in addition , the oxygen to burn it with , stored in a second tank . ( Solid fuel rockets must also carry their oxygen , of course , but in this case it is already combined chemically in whatever explosive is employed ...
... fuel but , in addition , the oxygen to burn it with , stored in a second tank . ( Solid fuel rockets must also carry their oxygen , of course , but in this case it is already combined chemically in whatever explosive is employed ...
Pagina 53
... fuel to every ton of empty - weight . It is probable that the second rocket could be built , which means that final speeds of twice the exhaust speed may be practicable . But the third rocket represents something which any engineer ...
... fuel to every ton of empty - weight . It is probable that the second rocket could be built , which means that final speeds of twice the exhaust speed may be practicable . But the third rocket represents something which any engineer ...
Pagina 64
... fuel booster rockets would be used at take - off . ) The fuel for this stage would be carried in two large nose - tanks ( the first to be jettisoned ) and a set of annular tanks would form the body of the rocket , inside which the ...
... fuel booster rockets would be used at take - off . ) The fuel for this stage would be carried in two large nose - tanks ( the first to be jettisoned ) and a set of annular tanks would form the body of the rocket , inside which the ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
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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