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 72
... journey as the length of the gun barrel is compared with the trajectory of the shell , so when we are considering interplanetary journeys we can for- get about the initial period of acceleration and imagine that the spaceship starts ...
... journey as the length of the gun barrel is compared with the trajectory of the shell , so when we are considering interplanetary journeys we can for- get about the initial period of acceleration and imagine that the spaceship starts ...
Pagina 99
... and distressed , Said he had hoped , at least , when the wind blew due East That the ship would not travel due West ! LEWIS CARROLL - The Hunting of the Snark WE will now consider in some detail the first of 7 The Journey to the Moon.
... and distressed , Said he had hoped , at least , when the wind blew due East That the ship would not travel due West ! LEWIS CARROLL - The Hunting of the Snark WE will now consider in some detail the first of 7 The Journey to the Moon.
Pagina 106
... journey down to the Moon and then lift it up again . It remains to be seen , however , whether this idea will prove to be prac- ticable when allowance is made for all the complications it involves , and the restriction it puts on the ...
... journey down to the Moon and then lift it up again . It remains to be seen , however , whether this idea will prove to be prac- ticable when allowance is made for all the complications it involves , and the restriction it puts on 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