observatoryLaunchDate
P126216
predicate
Indicates the date on which an observatory was officially launched or began its operational activities.
Observed surface forms (1)
- officialOpeningToInternationalAstronomers ×1
Sample triples (2)
| Subject | Object |
|---|---|
| China Sky Eye | 2021-03 via predicate surface "officialOpeningToInternationalAstronomers" ⓘ |
| PACS | 2009-05-14 ⓘ |