What was Sputnik One? - Universe Today
The veracity of early rumors about Soviet space ventures
Oct 4, 1957 CE: USSR Launches Sputnik | National Geographic Society
Sputnik 2
Laika: The 1st Communist Astronaut Dog in Space & Sputnik 2
Launch of Sputnik 2 : NASA : Free Download, Borrow, and Streaming : Internet Archive
Sputnik-2
60 years ago: The First Animal in Orbit | NASA
Sputnik 2 launches carrying Laika, November 3, 1957 - EDN
Sputnik-2
When Soviets Launched Sputnik, C.I.A. Was Not Surprised - The New York Times
Sputnik | Satellites, History, & Facts | Britannica
Korabl-Sputnik 2 - Wikipedia
Sputnik 2: The First Animal in Orbit | Drew Ex Machina
Laika the space dog: First living creature in orbit | Space
Sputnik-2
The USSR orbits second artificial satellite with dog Laika onboard
Sputnik-2
Sputnik
Sputnik 2 hi-res stock photography and images - Alamy
The “Simplest Satellite” That Opened Up the Universe | American Scientist
Sputnik Launched - HISTORY
Sputnik-2
Sputnik ii hi-res stock photography and images - Alamy
NASA - NSSDCA - Spacecraft - Details
STL file Sputnik 2 Laika Capsule Cutaway And Assembly Printable Model・3D print design to download・Cults
Sputnik-2
60 years ago, Soviets launch Sputnik 3 | NASA
