| gptkbp:instanceOf | gptkb:spacecraft_mission 
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                                | gptkbp:alsoKnownAs | gptkb:Venus_Radar_Mapper 
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                                | gptkbp:countryOfOrigin | gptkb:United_States 
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                                | gptkbp:dataReturned | gravity data altimetry data
 radar images
 
 | 
                        
                            
                                | gptkbp:destroyedBy | atmospheric entry 
 | 
                        
                            
                                | gptkbp:endDate | 1994-10-13 
 | 
                        
                            
                                | gptkbp:finalOperation | deliberate descent into Venus atmosphere 
 | 
                        
                            
                                | gptkbp:instrument | gptkb:radar 
 | 
                        
                            
                                | gptkbp:launchDate | 1989-05-04 
 | 
                        
                            
                                | gptkbp:launchMass | 1035 kg 
 | 
                        
                            
                                | gptkbp:launchSite | gptkb:Kennedy_Space_Center 
 | 
                        
                            
                                | gptkbp:launchVehicle | gptkb:Space_Shuttle_Atlantis 
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                                | gptkbp:missionType | planetary science 
 | 
                        
                            
                                | gptkbp:notableAchievement | mapped 98% of Venus surface 
 | 
                        
                            
                                | gptkbp:notableProject | gptkb:Douglas_Griffith 
 | 
                        
                            
                                | gptkbp:objective | map surface of Venus analyze Venusian gravity field
 study Venusian topography
 
 | 
                        
                            
                                | gptkbp:operatedBy | gptkb:NASA 
 | 
                        
                            
                                | gptkbp:orbitalInsertionDate | 1990-08-10 
 | 
                        
                            
                                | gptkbp:powerSource | solar panels 
 | 
                        
                            
                                | gptkbp:precededBy | gptkb:Venera_16 
 | 
                        
                            
                                | gptkbp:projectScientist | gptkb:R._Stephen_Saunders 
 | 
                        
                            
                                | gptkbp:spacecraft | unmanned 
 | 
                        
                            
                                | gptkbp:status | mission completed 
 | 
                        
                            
                                | gptkbp:successor | gptkb:Venus_Express 
 | 
                        
                            
                                | gptkbp:target | gptkb:Venus 
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                                | gptkbp:bfsParent | gptkb:JPL gptkb:NASA_Mariner_program
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Magellan mission 
 |