Sputnik Left Legacy for U.S. Science Education : NPR
Sputnik 1: World's 1st Artificial Satellite Explained (Infographic) | Space
Sputnik's Impact on America | PBS LearningMedia
USSR Launches Sputnik
Sputnik at 60: LIFE Magazine Photos of the Soviet Satellite
Sputnik's Impact on America | NOVA | PBS
The World Needs a Terrestrial Sputnik Moment - The Atlantic
Sputnik Moments: Trio of Spaceflight Events Shook U.S. in 1957 - Scientific American
New U.S. travel rules excludes those vaccinated with Russia's Sputnik V
Sputnik, The First Satellite (U.S. National Park Service)
Sputnik: The Shock of the Century: Dickson, Paul: 9781496215727: Amazon.com: Books
Sputnik at 60: LIFE Magazine Photos of the Soviet Satellite
Remembering Sputnik as US aims to advance computer science education - The Official Microsoft Blog
Newsweek magazine cover showing U.S. concern over Sputnik - CHM Revolution
Is America Facing Another Sputnik Moment? | The New Yorker
America responds to Sputnik... - RareNewspapers.com
Sputnik Ignited Fears That an Unprotected U.S. Would Be Annihilated From Space
Sputnik I > National Museum of the United States Air Force™ > Display
Shocked by Sputnik Sixty Years Ago (Fall 2017, Volume 62, Issue 5)
When Soviets Launched Sputnik, C.I.A. Was Not Surprised - The New York Times
The Shock of Sputnik (U.S. National Park Service)
Dunford: US faces 'Sputnik moment' in space race competition
