https://www.universetoday.com/139398/globular-clusters-might-not-be-as-old-as-astronomers-thought-like-billions-of-years-younger/球狀星團也許不如科學家想的老 ??
以前都認為 130億現在可能是90億歲
The study, titled “Reevaluating Old Stellar Populations“, recently appeared online and is being evaluated for publication in The Monthly Notices for the Royal Astronomical Society. The study was led by Dr. Elizabeth Stanway, an Associate Professor in the Astronomy group at the University of Warwick, UK, and was assisted by Dr. J.J. Eldridge, a Senior Lecturer at the University of Auckland, New Zealand.