中国科学家领衔发现一颗“超级地球”！或存在碳基生命

Core Insights - The discovery of a super-Earth, Kepler-725c, in the habitable zone of a sun-like star, Kepler-725, represents a significant breakthrough in the search for extraterrestrial life [1][3] - The research was led by the Yunnan Observatory of the Chinese Academy of Sciences and utilized Transit Timing Variation (TTV) technology [1][4] - The findings were published in the prestigious journal Nature Astronomy, highlighting the potential for discovering Earth-like planets [1] Group 1 - The super-Earth Kepler-725c has a mass approximately 10 times that of Earth and is located in the habitable zone, which is crucial for the existence of liquid water [1][3] - Kepler-725, the host star, is a G9V type, younger than the Sun at 1.6 billion years old, and exhibits more intense magnetic activity [3][4] - The orbital period of Kepler-725c is about 207.5 days, which is similar to Earth's orbital period, suggesting potential similarities in environmental conditions [3] Group 2 - The discovery opens new avenues for finding "Earth 2.0" in the habitable zones of sun-like stars, which is essential for understanding the origins of life [1][4] - The distance from Earth to Kepler-725c is approximately 160 million kilometers, which is a significant distance in astronomical terms [4]