raySystemAge
P50430
predicate
Indicates the age or time duration for which a ray system has existed or been in effect.
Sample triples (1)
| Subject | Object |
|---|---|
| Kepler (lunar crater) | Copernican ⓘ |
P50430
predicate
Indicates the age or time duration for which a ray system has existed or been in effect.
| Subject | Object |
|---|---|
| Kepler (lunar crater) | Copernican ⓘ |