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サマリー
あらすじ・解説
The article explores the search for extraterrestrial life in our solar system, focusing on three main areas: Mars's potential for past or present microbial life, including evidence of ancient water and methane variations; the promising conditions for life on icy moons like Europa, Enceladus, and Titan, with their subsurface oceans and organic compounds; and the Drake Equation's scientific framework for estimating the possibility of extraterrestrial life. The article emphasizes how recent scientific discoveries and missions have expanded our understanding of where and how life might exist beyond Earth.