| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:satellite
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:actualMissionDuration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            5111 sols
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:alsoKnownAs
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Opportunity
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:awards
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2004 National Air and Space Museum Trophy
                                        
                                        
                                         
                                    
                                        
                                            
                                            2004 Popular Mechanics Breakthrough Award
                                        
                                        
                                         
                                    
                                        
                                            
                                            2005 Collier Trophy
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:communication
                                    
                                 | 
                                
                                    
                                        
                                            
                                            UHF relay via Mars orbiters
                                        
                                        
                                         
                                    
                                        
                                            
                                            X-band direct to Earth
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distance
                                    
                                 | 
                                
                                    
                                        
                                            
                                            45.16 km
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:duration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            90 sols
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:endDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2018-06-10
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:height
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1.5 m
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:instrument
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Alpha_Particle_X-ray_Spectrometer_(APXS)
                                        
                                         
                                    
                                        
                                            gptkb:Mössbauer_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Magnet_Arrays
                                        
                                         
                                    
                                        
                                            gptkb:Microscopic_Imager
                                        
                                         
                                    
                                        
                                            gptkb:Miniature_Thermal_Emission_Spectrometer_(Mini-TES)
                                        
                                         
                                    
                                        
                                            gptkb:Panoramic_Camera_(Pancam)
                                        
                                         
                                    
                                        
                                            gptkb:Rock_Abrasion_Tool_(RAT)
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:landingDate
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Meridiani_Planum,_Mars
                                        
                                         
                                    
                                        
                                            
                                            2004-01-25
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:lastContact
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2018-06-10
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2003-07-07
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchSite
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cape_Canaveral_SLC-17B
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchVehicle
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Delta_II_7925H
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:length
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1.6 m
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:mass
                                    
                                 | 
                                
                                    
                                        
                                            
                                            185 kg
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:mission
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Mars_Exploration_Rover_program
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFinds
                                    
                                 | 
                                
                                    
                                        
                                            
                                            clay minerals
                                        
                                        
                                         
                                    
                                        
                                            
                                            Endeavour Crater rim geology
                                        
                                        
                                         
                                    
                                        
                                            
                                            evidence of past water activity on Mars
                                        
                                        
                                         
                                    
                                        
                                            
                                            hematite spherules ('blueberries')
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableProject
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:John_Callas
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:operator
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:NASA
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:powerSource
                                    
                                 | 
                                
                                    
                                        
                                            
                                            solar panels
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:principalInvestigator
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Steve_Squyres
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:status
                                    
                                 | 
                                
                                    
                                        
                                            
                                            mission complete
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:twinRover
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:MER-A_(Spirit)
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:website
                                    
                                 | 
                                
                                    
                                        
                                            
                                            https://mars.nasa.gov/mer/
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:width
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2.3 m
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:MER-A
                                        
                                         
                                    
                                        
                                            gptkb:MER-A_(Spirit)
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            MER-B (Opportunity)
                                        
                                        
                                         
                                    
                                 |