The National Geographic Magazine, Volume 109National Geographic Society, 1956 - Geography Indexes kept up to date with supplements. |
From inside the book
Results 1-3 of 88
Page 497
Space Satellites , Tools of Earth Research gratifying fact that it belongs to the earth as a whole . We have a right to know about it , and therefore we have , in a way , also an obligation to inform ourselves about this im- portant ...
Space Satellites , Tools of Earth Research gratifying fact that it belongs to the earth as a whole . We have a right to know about it , and therefore we have , in a way , also an obligation to inform ourselves about this im- portant ...
Page 506
... earth . As the satellite travels through these slight ripples in the field of gravity , it will respond with small ... earth , about the distribu- tion of masses in the earth's interior , and the fine , but highly interesting ...
... earth . As the satellite travels through these slight ripples in the field of gravity , it will respond with small ... earth , about the distribu- tion of masses in the earth's interior , and the fine , but highly interesting ...
Page 507
... earth's shadow , observation will be dif- ficult even with telescopes ( page 502 ) . Scientists are considering an idea that may solve the viewing problem at night . Dr. John O'Keefe of the U. S. Army Map Service has suggested focusing ...
... earth's shadow , observation will be dif- ficult even with telescopes ( page 502 ) . Scientists are considering an idea that may solve the viewing problem at night . Dr. John O'Keefe of the U. S. Army Map Service has suggested focusing ...
Contents
Airplanes New Industry and Military Defense Speed Progress | v |
In These Telltale and Often Beautiful Relics of Vanished | xviii |
Athens to Istanbul A Journey Through the Heart of the | 37 |
4 other sections not shown
Other editions - View all
Common terms and phrases
Air Force Alaska American animal atoll Australia beauty birds blue boat Calypso Camargue camera camp Chief color coral Croix Cyprus Distomo Dyaks earth East Falkland England expedition Falkland Islands feet fish flowers Forest Fossils France French Garden Geodetic survey Glacier National Park Greece Greek Greenland Grosvenor Gypsies H. V. Morton hills Icecap Ifalik Indian Ocean Jackson Hole John jungle Lake land light live look Luis Marden Mauritius island Melville Island miles monkeys Mount mountains National Geographic Magazine National Geographic Society National Geographic Staff nest night North orbit peak Pescadores plane Pole Port Prehistoric Pyrenees radio reef Research River road Robert rock rocket Sailfish Sarawak satellite ship snow South station summer Teton tion Tiwi Today town trail trees Trieste United valley village Virgin Islands Virginia visitors