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 18
Pagina 76
... remain wholly inside the at- mosphere . It could then make a 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 ...
... remain wholly inside the at- mosphere . It could then make a 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 ...
Pagina 141
... remain speculation . One of the most curious - and tantalizing - facts about the Moon is that , since it always keeps the same face turned towards us , we can never observe its other side . This absence of rotation relative to us means ...
... remain speculation . One of the most curious - and tantalizing - facts about the Moon is that , since it always keeps the same face turned towards us , we can never observe its other side . This absence of rotation relative to us means ...
Pagina 187
Arthur Charles Clarke. a body traveling horizontally at 18,000 m.p.h. would remain perpetually in a stable , circular ... remain invisible from such a satellite in the course of twenty - four hours- although the distortion caused by the ...
Arthur Charles Clarke. a body traveling horizontally at 18,000 m.p.h. would remain perpetually in a stable , circular ... remain invisible from such a satellite in the course of twenty - four hours- although the distortion caused by the ...
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