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 35
... interplanetary naviga- tion . Finally , the shapes of the orbits . They are very nearly circular , with the Sun at the center . Only Mercury , Mars and once again - Pluto depart seriously from this rule , their orbits being appreciably ...
... interplanetary naviga- tion . Finally , the shapes of the orbits . They are very nearly circular , with the Sun at the center . Only Mercury , Mars and once again - Pluto depart seriously from this rule , their orbits being appreciably ...
Pagina 64
... Interplanetary Society have shown how , by the use of existing V.2 motors , a payload of 110 pounds could be sent into an orbit round the Earth . The rocket would be a three- step one with a total weight of 150 tons , the first step ...
... Interplanetary Society have shown how , by the use of existing V.2 motors , a payload of 110 pounds could be sent into an orbit round the Earth . The rocket would be a three- step one with a total weight of 150 tons , the first step ...
Pagina 227
... Interplanetary so- cieties will not build spaceships any more than aero- nautical societies , as such , build aircraft . They will be the specialist organizations — the professional bodies— of the scientists and engineers doing work in ...
... Interplanetary so- cieties will not build spaceships any more than aero- nautical societies , as such , build aircraft . They will be the specialist organizations — the professional bodies— of the scientists and engineers doing work in ...
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