Final answer:
Laika, a dog, was the first living creature to be launched into space aboard Sputnik.
Step-by-step explanation:
The first living creature launched into space aboard Sputnik was a dog. The dog's name was Laika, and she was a stray dog from Moscow. Laika was launched into space on November 3, 1957, aboard Sputnik 2, a Soviet spacecraft.
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