The National Geographic Magazine, Volume 109National Geographic Society, 1956 - Geography |
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Page 495
... satellite beyond the atmosphere , like the moon itself , will remain independent of earth's spin . A satellite cruising at its ideal speed , 4.737 miles a second at 300 miles altitude , would circle the globe in about 90 minutes ...
... satellite beyond the atmosphere , like the moon itself , will remain independent of earth's spin . A satellite cruising at its ideal speed , 4.737 miles a second at 300 miles altitude , would circle the globe in about 90 minutes ...
Page 503
... satellite would pass through its peak , more than 1,400 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 ...
... satellite would pass through its peak , more than 1,400 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 ...
Page 504
... satellite , how- ever , will operate in the fringe area of the earth's atmosphere , and , up to a certain height , a body coasting at several miles a sec- ond would indeed suffer some drag . Satellite Too Low Ends as Burning Meteor If a ...
... satellite , how- ever , will operate in the fringe area of the earth's atmosphere , and , up to a certain height , a body coasting at several miles a sec- ond would indeed suffer some drag . Satellite Too Low Ends as Burning Meteor If 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 |
Copyright | |
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