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Laika's Legacy: Ethics of Animal Testing in Space

11/10/2025

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Summary

Story summary

On November 3, 1957, Laika, a stray dog, became the first living being to orbit Earth aboard Sputnik 2.
The mission lacked a return mechanism, and Laika died from overheating and stress within hours.
Laika's flight sparked ethical debates about animal testing in space and made her a symbol of sacrifice.
Today, animal experimentation continues in space, but efforts to reduce it are underway, including the use of organoids.

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Story summary

On November 3, 1957, Laika, a stray dog, became the first living being to orbit Earth aboard Sputnik 2.
The mission lacked a return mechanism, and Laika died from overheating and stress within hours.
Laika's flight sparked ethical debates about animal testing in space and made her a symbol of sacrifice.
Today, animal experimentation continues in space, but efforts to reduce it are underway, including the use of organoids.