Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:spacecraft
|
| gptkbp:data_return |
images of Mars
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mariner 21
|
| gptkbp:launch_date |
December 4, 1973
|
| gptkbp:launched |
gptkb:NASA
|
| gptkbp:mission |
August 1974
|
| gptkbp:mission_type |
gptkb:Mars_exploration
|
| gptkbp:objective |
photograph Mars
|
| gptkbp:orbital_altitude |
no
|
| gptkbp:status |
completed
|
| gptkbp:successor |
gptkb:Mariner_22
|
| gptkbp:bfsParent |
gptkb:NASA_Jet_Propulsion_Laboratory
|
| gptkbp:bfsLayer |
4
|