| Discovery Type | Astronomical |
| Discovery Name | Ring of Earth Stars |
| Rank | ★★☆☆☆(2) (Number of Stars on Discovery Name card) |
| explanation | A ring surrounding the Earth Stars. Early astronomical telescopes detected the existence of rings, but they were difficult to observe. As the performance of telescopes improved, some rings were successfully observed, but it is unclear what they are made of. |
| Era | |
| Deck Points | 5 (Required Deck Points for debate deck) |
| Difficulty | 7 (Rank of skills required for discovery) |
| Experience | 260 (For adventure jobs. Excluding company benefits, beginner bonuses, etc.) |
| Remarks | "Observation record of Sat Stars" |
| 最終更新 | 2022-10-27 22:45:25 Sakon. |