The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 547
... direction finder was set up in rather thickly wooded sections . Trees apparently have little distorting effect . The portable direction finder used in these tests was designed and constructed at the Bureau of Standards . It has several ...
... direction finder was set up in rather thickly wooded sections . Trees apparently have little distorting effect . The portable direction finder used in these tests was designed and constructed at the Bureau of Standards . It has several ...
Pagina xiii
... directions at Zamboanga 424 XV . Annual and semiannual percentages of wind directions at Surigao 425 XVI . Annual and semiannual percentages of wind directions at Cebu 426 XVII . Annual and semiannual percentages of wind directions at ...
... directions at Zamboanga 424 XV . Annual and semiannual percentages of wind directions at Surigao 425 XVI . Annual and semiannual percentages of wind directions at Cebu 426 XVII . Annual and semiannual percentages of wind directions at ...
Pagina 149
... direction . This port is a creek , dependent upon the haven of Beau- maris . About 20 vessels are employed in the ... direction . DINAS DINLLE lies from 3 m . , or from that to 3 m . distance from the black buoy in a s . E. direction ...
... direction . This port is a creek , dependent upon the haven of Beau- maris . About 20 vessels are employed in the ... direction . DINAS DINLLE lies from 3 m . , or from that to 3 m . distance from the black buoy in a s . E. direction ...
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