rootbrowseIAC-07E4session 11. The International Geophysical Year, Sputnik 1 and the Space RacePapers1. Sputnik 1 - The Creation of the First Artificial Earth Satellite2. Sputnik Fifty Years Later: New Evidence on Its Origins3. Veterans of the Cosmos: a Unique Project on the History of Soviet Cosmonautics4. Dniper Duplicate of Launch of the First Artificial Satellite of the Earth5. A Sputnik 4 Saga6. Portugal's Reaction to Sputnik Launch