The Exploration of SpacePocket Books, 1979 - 237 pagini Presents a nonscientific explanation of space exploration and a view of future life on other planets. |
Din interiorul cărții
Rezultatele 1 - 3 din 78
Pagina 24
... Moon appeared within a generation of Galileo's discoveries . It is , however , a little surprising that it was written by the greatest astronomer of the time - indeed , one of the greatest of all time . Johannes Kepler was the first man ...
... Moon appeared within a generation of Galileo's discoveries . It is , however , a little surprising that it was written by the greatest astronomer of the time - indeed , one of the greatest of all time . Johannes Kepler was the first man ...
Pagina 101
... Moon and would no longer be covering great distances at very low speeds . We will assume that the spaceship draws away from its circular orbit at an acceleration of one gravity . After just over five minutes , it would have built up ...
... Moon and would no longer be covering great distances at very low speeds . We will assume that the spaceship draws away from its circular orbit at an acceleration of one gravity . After just over five minutes , it would have built up ...
Pagina 141
... Moon . Even a few inches underground , the variations of temperature would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would be ...
... Moon . Even a few inches underground , the variations of temperature would be greatly reduced owing to the insulating power of the lunar rocks . Deep inside the Moon , there would be no trace of them at all and the temperature would be ...
Cuprins
Preface to the 1951 Edition | 11 |
Thirty Years Later | 15 |
The Shaping of the Dream | 21 |
Drept de autor | |
18 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
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