The National Geographic Magazine, Volume 109National Geographic Society, 1956 - Geography Indexes kept up to date with supplements. |
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Page 289
... earth - circling satellite . The man - made moon will be a lofty lookout for the Inter- national Geophysical Year . Every effort will be made to equip one or more of the new heavenly bodies with com- pact recording and transmitting ...
... earth - circling satellite . The man - made moon will be a lofty lookout for the Inter- national Geophysical Year . Every effort will be made to equip one or more of the new heavenly bodies with com- pact recording and transmitting ...
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 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
721 | iv |
Minutemen of the Civil Air Patrol A Good Samaritan Code Unites | xii |
In These Telltale and Often Beautiful Relics of Vanished | xviii |
Copyright | |
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