Gyrochronology is a method for estimating the age of a low-mass (cool) main sequence star (spectral class F8 V or later) from its rotation period. The term is derived from the Greek words gyros, chronos and logos, roughly translated as rotation, age, and study respectively. It was coined in 2003 by Sydney Barnes to describe the associated procedure for deriving stellar ages, and developed extensively in empirical form in 2007.
迴轉年代學（Gyrochronology）是以恆星自轉週期預測類似太陽的低質量恆星年齡方式。該詞由來於希臘語的 gyros, chronos 和 logos 的組合，意思分別是「旋轉，年齡和研究」。這個詞是於2003年由提出以描述由恆星自轉研究其年齡的方式，再於2007年藉由經驗進一步擴充其內容。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).