A new model demonstrates how the formation of annular structures in a protoplanetary disk can later produce planetary systems that reproduce both the orbital architecture and meteoritic isotope trends observed in our Solar System.

中文翻译：

---

行星由环形成

一个新模型展示了原行星盘中环形结构的形成如何在以后产生行星系统，这些行星系统再现了在我们太阳系中观察到的轨道结构和陨石同位素趋势。