The Exploration of SpaceTemple Press, 1951 - 198 pagini |
Din interiorul cărții
Rezultatele 1 - 3 din 14
Pagina 12
... discuss in Chapter 4. Mercury is moving in its orbit at 107,000 m.p.h. , the Earth at a more modest 68,000 and Pluto at a mere 10,000 m.p.h. The second important point is that almost all the planets lie in or very near the same plane ...
... discuss in Chapter 4. Mercury is moving in its orbit at 107,000 m.p.h. , the Earth at a more modest 68,000 and Pluto at a mere 10,000 m.p.h. The second important point is that almost all the planets lie in or very near the same plane ...
Pagina 48
... discuss this procedure at any more length , however , it may be as well to look at the basic problems involved in the building of spaceships for simpler missions , such as entry into a circular orbit around the Earth . Once we have ...
... discuss this procedure at any more length , however , it may be as well to look at the basic problems involved in the building of spaceships for simpler missions , such as entry into a circular orbit around the Earth . Once we have ...
Pagina 111
... discuss , in general terms , the problem of making it habitable . Some of the suggestions put forward in this chapter may well seem fantastic even to those whose imaginations have not been strained by what has gone before . Yet if we ...
... discuss , in general terms , the problem of making it habitable . Some of the suggestions put forward in this chapter may well seem fantastic even to those whose imaginations have not been strained by what has gone before . Yet if we ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 4 |
Spaceships Refuelling In Free Orbit | 4 |
Drept de autor | |
30 alte secțiuni nu sunt arătate
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
acceleration already asteroids astronautics astronomers atmosphere atomic rockets body bricks British Astronomical Association build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure flywheel free orbit fuel Galaxy giant gravitational field gravity heat Hermann Oberth hundred miles imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust trolley Uranus voyage weight