It looks like you might be asking for the contents of a specific file named Laika_post_Sputnik.7z or seeking a "proper" text version of the historical details regarding Laika's mission after the launch of Sputnik 2. This request could mean a few things:
Laika's mission provided scientists with the first data on how a living organism reacts to spaceflight environments. There was never a plan for her recovery, as the technology to de-orbit a spacecraft had not yet been developed. Laika_post_Sputnik.7z
Laika was a Soviet space dog who became one of the first animals in space and the first animal to orbit the Earth. Launched on on November 3, 1957, her mission was intended to test the safety of space travel for humans. Key Historical Facts: It looks like you might be asking for
To prove that a living passenger could survive being launched into orbit and endure a microgravity environment. Laika was a Soviet space dog who became