| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:satellite
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:CassiniEndOfMission
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2017-09-15
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:CassiniGrandFinale
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2017
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:CassiniOrbitsCompleted
                                    
                                 | 
                                
                                    
                                        
                                            
                                            294
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:collaboratesWith
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:NASA
                                        
                                         
                                    
                                        
                                            gptkb:European_Space_Agency
                                        
                                         
                                    
                                        
                                            gptkb:Italian_Space_Agency
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:cost
                                    
                                 | 
                                
                                    
                                        
                                            
                                            3.26 billion USD
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:duration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            19 years, 11 months, 30 days
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:endDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2017-09-15
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:goal
                                    
                                 | 
                                
                                    
                                        
                                            
                                            study Saturn and its system
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:HuygensDescentDuration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2 hours 27 minutes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:HuygensLandingSite
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Titan
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:HuygensSeparationDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2004-12-25
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:HuygensSurfaceDuration
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1 hour 12 minutes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:instrument
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Composite_Infrared_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Cosmic_Dust_Analyzer
                                        
                                         
                                    
                                        
                                            gptkb:Cosmic_Ray_Telescope_for_the_Effects_of_Radiation
                                        
                                         
                                    
                                        
                                            gptkb:Dual_Technique_Magnetometer
                                        
                                         
                                    
                                        
                                            gptkb:Imaging_Science_Subsystem
                                        
                                         
                                    
                                        
                                            gptkb:Ion_and_Neutral_Mass_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Plasma_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Radio_Science_Subsystem
                                        
                                         
                                    
                                        
                                            gptkb:Radio_and_Plasma_Wave_Science
                                        
                                         
                                    
                                        
                                            gptkb:Ultraviolet_Imaging_Spectrograph
                                        
                                         
                                    
                                        
                                            gptkb:Visible_and_Infrared_Mapping_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Aerosol_Collector_and_Pyrolyser
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Descent_Imager/Spectral_Radiometer
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Doppler_Wind_Experiment
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Gas_Chromatograph_Mass_Spectrometer
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Surface_Science_Package
                                        
                                         
                                    
                                        
                                            gptkb:magnetometer
                                        
                                         
                                    
                                        
                                            gptkb:Huygens_Atmospheric_Structure_Instrument
                                        
                                         
                                    
                                        
                                            
                                            Radar
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:landingDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2005-01-14
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1997-10-15
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchMass
                                    
                                 | 
                                
                                    
                                        
                                            
                                            5,712 kg
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchSite
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cape_Canaveral_Space_Launch_Complex_40
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:launchVehicle
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Titan_IVB/Centaur
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:missionType
                                    
                                 | 
                                
                                    
                                        
                                            
                                            planetary exploration
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:namedAfter
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Christiaan_Huygens
                                        
                                         
                                    
                                        
                                            gptkb:Giovanni_Cassini
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFinds
                                    
                                 | 
                                
                                    
                                        
                                            
                                            detailed images of Saturn's rings
                                        
                                        
                                         
                                    
                                        
                                            
                                            water-ice plumes on Enceladus
                                        
                                        
                                         
                                    
                                        
                                            
                                            complex organic chemistry on Titan
                                        
                                        
                                         
                                    
                                        
                                            
                                            hexagonal storm at Saturn's north pole
                                        
                                        
                                         
                                    
                                        
                                            
                                            liquid hydrocarbon lakes on Titan
                                        
                                        
                                         
                                    
                                        
                                            
                                            seasonal changes on Saturn
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:officialName
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Cassini–Huygens
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:operator
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:NASA
                                        
                                         
                                    
                                        
                                            gptkb:ESA
                                        
                                         
                                    
                                        
                                            gptkb:ASI
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:orbitalInsertionDate
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2004-07-01
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:powerSource
                                    
                                 | 
                                
                                    
                                        
                                            
                                            radioisotope thermoelectric generators
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:spacecraft
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Huygens_probe
                                        
                                         
                                    
                                        
                                            gptkb:Cassini_orbiter
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:target
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Saturn
                                        
                                         
                                    
                                        
                                            gptkb:Titan
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:wasteType
                                    
                                 | 
                                
                                    
                                        
                                            
                                            deorbited into Saturn
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:website
                                    
                                 | 
                                
                                    
                                        
                                            
                                            https://saturn.jpl.nasa.gov/
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:JPL
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            6
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Cassini-Huygens mission
                                        
                                        
                                         
                                    
                                 |