Sputnik, 50th anniversary

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The Associated Press
Published: October 4, 2007

Engineers, military officials and former cosmonauts on Thursday celebrated the 50th anniversary of the launch of the world's first artificial satellite, Sputnik, which marked the dawn of the Space Age and sparked the race to land a man on the moon. [...]
[Former cosmonauts, officials celebrate 50th anniversary of Sputnik launch - International Herald Tribune]
related: Sputnik's anniversary raises questions about future of space exploration - USATODAY.com
Sputnik, Sputnik