银河系内新发现一颗“潜在宜居”候选行星

Core Viewpoint - A team led by researchers from the University of Southern Queensland in Australia has discovered a "potentially habitable" candidate planet, HD 137010 b, located approximately 146 light-years away from Earth. The planet is slightly larger than Earth and may have a rocky composition, orbiting a sun-like star at the outer edge of the habitable zone, where liquid water could exist depending on atmospheric conditions. The research paper has been published in the Astrophysical Journal Letters. The search for Earth's "twin" has been a long-standing goal for scientists, but further observations are needed to confirm the planet's status from "candidate" to "confirmed." The term "potentially habitable" does not equate to habitable, but this discovery is considered "very attractive" [1]. Summary by Sections - Discovery of a new candidate planet HD 137010 b, which is slightly larger than Earth and located about 146 light-years away [1] - The planet may be rocky and orbits a sun-like star at the outer edge of the habitable zone, with the potential for liquid water depending on atmospheric conditions [1] - The research paper has been published in the Astrophysical Journal Letters, highlighting the ongoing quest for Earth's "twin" [1] - Further observations are required to upgrade the planet's status from "candidate" to "confirmed" [1] - The term "potentially habitable" is clarified as not synonymous with habitable, yet the discovery is noted as "very attractive" [1]