Bacterial Endospore Resistance Under Extreme Surface Conditions of Icy Moons
- 演化之聲
- Mar 20
- 5 min read
Astrobiology, by definition, is the scientific field dedicated to the study of life in the universe. Its central objective is to determine whether life exists beyond Earth, and whether other celestial bodies could support human habitation. Researchers therefore focus on identifying environments that meet these criteria. Among these targets, planets have traditionally received the most attention, not only within the Solar System but also in distant star systems.
However, planets are not the only potential habitats for life. Natural satellites, or moons, also represent critical targets in the search for extraterrestrial life. Compared with planets, observational studies of moons are significantly more challenging, and thus current research is largely confined to moons within the Solar System.
Among these, a few icy moons are considered strong candidates for hosting life, particularly Europa, a moon of Jupiter, and Enceladus, a moon of Saturn. The primary reason for this interest lies in the strong evidence suggesting the presence of subsurface liquid water oceans beneath their icy crusts. Liquid water is widely regarded as an essential prerequisite for the emergence and persistence of life.
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