Portrait of Soviet space dog Laika (1954 - 1957) in her specially designed canine compartment in the Sputnik II spacecraft prior to take-off, late 1957. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
Portrait of Soviet space dog Laika (1954 - 1957) in her specially designed canine compartment in the Sputnik II spacecraft prior to take-off, late 1957. (Photo by Keystone-France/Gamma-Keystone via Getty Images)