Slide title: Sputnik Moment

Slide images: Photos of Sputnik (left) and of Astronaut Edwin Aldrin beside the U.S. flag on the moon's surface on July 20, 1969 (right)

Credit: National Space Science Data Center, NASA (left): NASA Marshall Space Flight Center (NASA-MSFC) (right)

Design by: Adrian Apodaca, National Science Foundation

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