>>55
この記事だと「It might be a more exotic object known as a quark star.」とクォーク星やエキゾチックスターの可能性に触れてる
Astronomers Just Detected Either the Least Massive Black Hole, or a Strange and Massive Neutron Star
https://www.universetoday.com/146683/astronomers-just-detected-either-the-least-massive-black-hole-or-a-strange-and-massive-neutron-star/
>It might be a more exotic object known as a quark star.