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 76
... atmosphere . As it cuts through the upper atmosphere , air resistance will reduce its speed still further and , in the process , it will become hot owing to friction . However , if the entry into the atmosphere were made at the correct ...
... atmosphere . As it cuts through the upper atmosphere , air resistance will reduce its speed still further and , in the process , it will become hot owing to friction . However , if the entry into the atmosphere were made at the correct ...
Pagina 162
... atmosphere consists of inert gases such as nitrogen or argon . Although the pressure is so low the Martian atmo ... atmosphere , it is difficult to see how so thin a gas could support much solid material . This particular mystery is less ...
... atmosphere consists of inert gases such as nitrogen or argon . Although the pressure is so low the Martian atmo ... atmosphere , it is difficult to see how so thin a gas could support much solid material . This particular mystery is less ...
Pagina 180
... atmosphere will be used merely as the " working fluid , " taking no part in any chemical reac- tion . ( And playing , in fact , the same role in aviation that water does in ocean transport . ) Until we have more definite information ...
... atmosphere will be used merely as the " working fluid , " taking no part in any chemical reac- tion . ( And playing , in fact , the same role in aviation that water does in ocean transport . ) Until we have more definite information ...
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