Statements (9)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:employer |
gptkb:NASA_Ames_Research_Center
|
| gptkbp:field |
planetary science
|
| gptkbp:namesakeOf |
gptkb:Robert_E._Christoffersen_(crater)
|
| gptkbp:notableFor |
work on lunar sample analysis
|
| gptkbp:occupation |
gptkb:astronomer
|
| gptkbp:bfsParent |
gptkb:William_A._Goddard_III
|
| gptkbp:bfsLayer |
5
|
| http://www.w3.org/2000/01/rdf-schema#label |
Robert E. Christoffersen
|