Statements (5)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:satellite
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Explorer_1
|
| https://www.w3.org/2000/01/rdf-schema#label |
first U. S. satellite
|
| gptkbp:name |
gptkb:Explorer_1
|