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Extraterrestrial life refers to the hypothetical existence of life forms beyond Earth. Scientists and researchers explore the possibility of microbial life on other planets, moons, and celestial bodies within our solar system and beyond. The search for extraterrestrial life is driven by the curiosity to understand the origins of life in the universe and the potential for other forms of life to exist in different environments. Various methods, including space missions, telescopic observations, and astrobiology research, are employed to investigate the existence of extraterrestrial life.