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 123
... interesting experiment to have immersed the gentleman concerned with air supply , of course — in the 20,000 degrees . F. interstellar gas without any other source of warmth . Before he became too numb with cold he might have learned to ...
... interesting experiment to have immersed the gentleman concerned with air supply , of course — in the 20,000 degrees . F. interstellar gas without any other source of warmth . Before he became too numb with cold he might have learned to ...
Pagina 124
... interesting to calcu- late how much matter a volume of space equal to that of the Earth would contain . The answer is about a quarter of an ounce of meteors , and two or three ounces of hydrogen ! Perhaps these figures give , more ...
... interesting to calcu- late how much matter a volume of space equal to that of the Earth would contain . The answer is about a quarter of an ounce of meteors , and two or three ounces of hydrogen ! Perhaps these figures give , more ...
Pagina 188
... interesting possibility opened up by the space - station - although this is admittedly look- ing a long way ahead - is the fact that it would remove the restrictions imposed by gravity on the size of astro- nomical instruments . The ...
... interesting possibility opened up by the space - station - although this is admittedly look- ing a long way ahead - is the fact that it would remove the restrictions imposed by gravity on the size of astro- nomical instruments . 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