Scientists find a planetary system that simply shouldn't exist

[Redaktion]

Scientists have discovered a planetary system with three planets — the closest one is rocky, and the next two are gaseous. But a fourth planet was later discovered farthest from its star, and surprisingly, it is a rocky planet. This rocky-gaseous-gaseous-rocky order beats current scientific understanding.

https://www.notebookcheck.net/Scientists-find-a-planetary-system-that-simply-shouldn-t-exist.1227284.0.html