Animals that went into the space before humans did

In the early days of space exploration, scientists sent animals like fruit flies, monkeys, dogs, tortoises and worms into space to study the effects of weightlessness on living beings. Laika, a Soviet dog, was the first animal to orbit Earth, while Belka and Strelka were the first to return safely.

from Science News - Times of India https://ift.tt/lyUQ63C
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