| Term | Definition | Contributor | Modified |
|---|---|---|---|
| 488.3mya | Ryan McGranaghan | 2023.04.16 | |
| 492mya | Ryan McGranaghan | 2023.04.16 | |
| 496mya | Ryan McGranaghan | 2023.04.16 | |
| 499mya | Ryan McGranaghan | 2023.04.16 | |
| 503mya | Ryan McGranaghan | 2023.04.16 | |
| 506.5mya | Ryan McGranaghan | 2023.04.16 | |
| 510mya | Ryan McGranaghan | 2023.04.16 | |
| 515mya | Ryan McGranaghan | 2023.04.16 | |
| 521mya | Ryan McGranaghan | 2023.04.16 | |
| 528mya | Ryan McGranaghan | 2023.04.16 | |
| 5.332mya | Ryan McGranaghan | 2023.04.16 | |
| 53 Persei stars | Ryan McGranaghan | 2023.04.16 | |
| 53 Persei stars | Ryan McGranaghan | 2023.04.16 | |
| 53 Persei stars | Ryan McGranaghan | 2023.04.16 | |
| 542mya | Ryan McGranaghan | 2023.04.16 | |
| 55.8mya | Ryan McGranaghan | 2023.04.16 | |
| 58.7mya | Ryan McGranaghan | 2023.04.16 | |
| 5day | Ryan McGranaghan | 2023.04.16 | |
| 61.1mya | Ryan McGranaghan | 2023.04.16 | |
| 635mya | Ryan McGranaghan | 2023.04.16 |