The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 76
... 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 spaceship would need is an interesting problem which cannot , perhaps , be completely ...
... 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 spaceship would need is an interesting problem which cannot , perhaps , be completely ...
Pagina 158
... deal was heard in the Press about gigantic " space - mirrors " which the Germans were supposed to be considering as weapons of war . The truth behind this rumour was somewhat less spectacular , as is usually the case . Twenty years ...
... deal was heard in the Press about gigantic " space - mirrors " which the Germans were supposed to be considering as weapons of war . The truth behind this rumour was somewhat less spectacular , as is usually the case . Twenty years ...
Pagina 180
... deal larger - and would have incomparably greater facilities in every respect — than the State of Athens , in which small area , it may be remembered , a surprising number of men led remarkably fruitful lives . It is , perhaps , worth ...
... deal larger - and would have incomparably greater facilities in every respect — than the State of Athens , in which small area , it may be remembered , a surprising number of men led remarkably fruitful lives . It is , perhaps , worth ...
Cuprins
FRONTISPIECE Automatic Rocket Surveying Mars PLATE I HighAltitude ManCarrying Rocket | 3 |
Spaceships Refuelling In Free Orbit | 4 |
The Earth and its Neighbours | 9 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical climb 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 involved ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors million minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant Propontis propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason 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