太阳系的这颗星球，海洋或已存在几十亿年，会发现外星生命吗2

Recent data suggests a massive, up to 200 km thick ice layer on Pluto"s ocean, raising questions about the possibility of life due to potential radioactive heating. While initially dismissed, scientists now consider it a key factor for life. Even at its great distance from the Sun, Pluto"s formation heat could have preserved liquid water, making the search for extraterrestrial life intriguing.