The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 89
... appear to reach us from all directions . The only effect of the solar rays would be to warm the ship : they could not penetrate even the smallest thickness of hull . One precaution would be necessary to deal with them , for the ...
... appear to reach us from all directions . The only effect of the solar rays would be to warm the ship : they could not penetrate even the smallest thickness of hull . One precaution would be necessary to deal with them , for the ...
Pagina 135
... appear simply as dimensionless points of light in the telescope . The smaller asteroids are probably not even spherical , but are simply jagged lumps of rock - mountains wandering through space . Whether they will be of any interest to ...
... appear simply as dimensionless points of light in the telescope . The smaller asteroids are probably not even spherical , but are simply jagged lumps of rock - mountains wandering through space . Whether they will be of any interest to ...
Pagina 176
... appear to be longer . Again the effect is very small at ordinary speeds but becomes enormous as one nears the velocity of light . At this limiting speed , in fact , time would appear to stand still . It will be seen that this relativity ...
... appear to be longer . Again the effect is very small at ordinary speeds but becomes enormous as one nears the velocity of light . At this limiting speed , in fact , time would appear to stand still . It will be seen that this relativity ...
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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Termeni și expresii frecvente
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