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
... ship still has a little fuel , and suppose that by some means ( see page 103 ) it is turned round in space so that the rocket motor points in the direction of motion . Firing the rockets will then ... SHIP'S ; ORIGINAL ORBIT SHIP LANDS 76.
... ship still has a little fuel , and suppose that by some means ( see page 103 ) it is turned round in space so that the rocket motor points in the direction of motion . Firing the rockets will then ... SHIP'S ; ORIGINAL ORBIT SHIP LANDS 76.
Pagina 87
... ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be car- ried to the planet by earlier Type C ships , or it might have traveled there previously under its own power . The " deep ...
... ship which would make the transfer to the planet beneath . The ferry rocket would , of course , have to be car- ried to the planet by earlier Type C ships , or it might have traveled there previously under its own power . The " deep ...
Pagina 103
... ship's center of gravity , and imagine that at first it is fixed relative to the slowly turning ship . If now a motor starts to spin the flywheel in the direction shown , as the flywheel builds up speed the ship will gradually cease its ...
... ship's center of gravity , and imagine that at first it is fixed relative to the slowly turning ship . If now a motor starts to spin the flywheel in the direction shown , as the flywheel builds up speed the ship will gradually cease its ...
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