Sputnik's legacy – Physics World
When Soviets Launched Sputnik, C.I.A. Was Not Surprised - The New York Times
The Rocket That Launched Sputnik and Started the Space Race
USSR Launches Sputnik
Sputnik design
The Rocket That Launched Sputnik and Started the Space Race
How Sputnik 1 launched the space age
History of Satellites
Soviets Launch Sputnik, 1957 | Origins
October 4, 1957: The Launch of Sputnik and the Dawn of the Space Age | Aerospace Lectures
Sputnik 1 - Wikipedia
Sputnik
Sputnik 1 - Wikipedia
Remembering Sputnik - The satellite that began the Space Race - NASASpaceFlight.com
How Sputnik Worked
What was Sputnik One? - Universe Today
USSR launches Sputnik-3
History of Sputnik. Explorer. Vanguard. 1957. 1958. First space launch. Artificial satellite.
The “Simplest Satellite” That Opened Up the Universe | American Scientist
Sputnik 1! 7 Fun Facts About Humanity's First Satellite | Space
Russia Launched Sputnik on October 4 1957
On This Day: Soviet Union launches Sputnik 1 - UPI.com
Remembering Sputnik - The satellite that began the Space Race - NASASpaceFlight.com
How a Drunk Driver Led to the Birth of Russia's Sputnik 1 | by Wilson da Silva | Science and Philosophy | Medium
Sputnik 1957 hi-res stock photography and images - Alamy
Sputnik Rocket: Reaching orbit, in style! | The Space Techie
60 years ago, Soviets launch Sputnik 3 | NASA
