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 25
Pagina 76
... landing as a glider , slowly shedding its speed by air resistance . This operation ( called “ entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance , as it implies that no rocket power need be used for landing ...
... landing as a glider , slowly shedding its speed by air resistance . This operation ( called “ entry by braking ellipses " ) is shown in Figure 11. It is of enormous importance , as it implies that no rocket power need be used for landing ...
Pagina 86
... landing on the Moon . ( B ) The modified form of Type A , without wings or fins , for landing on bodies like the airless Moon by the use of rocket braking alone . It need have no streamlining of any kind . As it would em- ploy ...
... landing on the Moon . ( B ) The modified form of Type A , without wings or fins , for landing on bodies like the airless Moon by the use of rocket braking alone . It need have no streamlining of any kind . As it would em- ploy ...
Pagina 105
... landing and 1 - g vertical take - off . If the gyroscopes and steering devices can deal with the one case as they already do in the V.2 rocket - they can deal just as well with the other . What sort of " undercarriage " our lunar ...
... landing and 1 - g vertical take - off . If the gyroscopes and steering devices can deal with the one case as they already do in the V.2 rocket - they can deal just as well with the other . What sort of " undercarriage " our lunar ...
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