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12![Metadata of the chapter that will be visualized online Chapter Title International Geophysical Year (Igy) Copyright Holder Metadata of the chapter that will be visualized online Chapter Title International Geophysical Year (Igy) Copyright Holder](https://www.pdfsearch.io/img/872085156c7a867fc568370819970c67.jpg) | Add to Reading ListSource URL: www.bairdusa.comLanguage: English - Date: 2011-02-07 17:14:17
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17![Juno II Served As Explorer Satellite Launcher The Soviet Union opened the Space race with America on October 4, 1957 when the Russians orbited the Sputnik I satellite. As a result, American leadership quickly realized t Juno II Served As Explorer Satellite Launcher The Soviet Union opened the Space race with America on October 4, 1957 when the Russians orbited the Sputnik I satellite. As a result, American leadership quickly realized t](https://www.pdfsearch.io/img/3e9260266533ac90d5b02566322c1ae8.jpg) | Add to Reading ListSource URL: history.msfc.nasa.govLanguage: English - Date: 2012-10-04 13:20:07
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18![Iowa Academy of Science The New Bulletin Volume 2 Number 4 Autumn 2006 The Iowa Academy of Science is established to further scientific research and its dissemination, education in the sciences, public understanding of s Iowa Academy of Science The New Bulletin Volume 2 Number 4 Autumn 2006 The Iowa Academy of Science is established to further scientific research and its dissemination, education in the sciences, public understanding of s](https://www.pdfsearch.io/img/4aa1015873451e3b9e4ac06a5b5c884c.jpg) | Add to Reading ListSource URL: www.iacad.orgLanguage: English - Date: 2006-09-13 15:58:03
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19![The Deadly Van Allen Belts? 7 The Deadly Van Allen Belts? 7](https://www.pdfsearch.io/img/21ea30e98fd84d59baf30323dd04e0ff.jpg) | Add to Reading ListSource URL: spacemath.gsfc.nasa.govLanguage: English - Date: 2007-11-20 13:29:34
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20![](https://www.pdfsearch.io/img/94e4e941ebeaac43452c549aa2d2b250.jpg) | Add to Reading ListSource URL: www-pw.physics.uiowa.eduLanguage: English - Date: 2004-10-11 15:50:57
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