The National Geographic Magazine, Volume 109National Geographic Society, 1956 - Geography Indexes kept up to date with supplements. |
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Page 297
... miles of little - known coastline . Eleven governments - Argentina , Australia , Chile , France , Great Britain , Japan , New Zealand , Norway , Union of South Africa , the U.S.S.R. , and the United States have plans for bases on ...
... miles of little - known coastline . Eleven governments - Argentina , Australia , Chile , France , Great Britain , Japan , New Zealand , Norway , Union of South Africa , the U.S.S.R. , and the United States have plans for bases on ...
Page 498
... miles . The first rocket will carry the whole assem- bly to a height of some 40 miles within two minutes , having reached a speed of 3,000 to 4,000 miles an hour . The second rocket will step up the speed to around 11,000 miles an hour ...
... miles . The first rocket will carry the whole assem- bly to a height of some 40 miles within two minutes , having reached a speed of 3,000 to 4,000 miles an hour . The second rocket will step up the speed to around 11,000 miles an hour ...
Page 503
... miles above the ground . From then on , the satellite would coast along the downward leg of its elliptic orbit , pick up speed , and return to its starting point 300 miles above the ground . There its speed would again be 5 miles a ...
... miles above the ground . From then on , the satellite would coast along the downward leg of its elliptic orbit , pick up speed , and return to its starting point 300 miles above the ground . There its speed would again be 5 miles a ...
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 |
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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