gptkbp:instanceOf
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gptkb:satellite
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gptkbp:abbreviation
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gptkb:MESSENGER
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gptkbp:crashedOnSurface
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2015-04-30
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gptkbp:distance
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7.9 billion kilometers
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gptkbp:endDate
|
2015-04-30
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gptkbp:enteredMercuryOrbit
|
2011-03-18
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gptkbp:firstSpacecraftToOrbit
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gptkb:Mercury
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gptkbp:followedBy
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gptkb:BepiColombo
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https://www.w3.org/2000/01/rdf-schema#label
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Messenger mission
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gptkbp:instrument
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gptkb:Energetic_Particle_and_Plasma_Spectrometer_(EPPS)
gptkb:Gamma-Ray_and_Neutron_Spectrometer_(GRNS)
gptkb:Mercury_Atmospheric_and_Surface_Composition_Spectrometer_(MASCS)
gptkb:Mercury_Dual_Imaging_System_(MDIS)
gptkb:Mercury_Laser_Altimeter_(MLA)
gptkb:Radio_Science_(RS)
gptkb:X-Ray_Spectrometer_(XRS)
gptkb:Magnetometer_(MAG)
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gptkbp:launchDate
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2004-08-03
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gptkbp:launchMass
|
1107.9 kg
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gptkbp:launchSite
|
gptkb:Cape_Canaveral_SLC-17B
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gptkbp:launchVehicle
|
gptkb:Delta_II_7925H
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gptkbp:manufacturer
|
gptkb:Johns_Hopkins_University_Applied_Physics_Laboratory
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gptkbp:massAtMercuryOrbitInsertion
|
487.9 kg
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gptkbp:missionType
|
planetary science
orbiter
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gptkbp:notableFinds
|
evidence of water ice at Mercury's poles
hollows on Mercury's surface
complex magnetic field structure
detailed global map of Mercury
volatile elements on Mercury
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gptkbp:objective
|
study Mercury's chemical composition
study Mercury's core
study Mercury's exosphere
study Mercury's geology
study Mercury's magnetic field
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gptkbp:officialName
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gptkb:MErcury_Surface,_Space_ENvironment,_GEochemistry,_and_Ranging
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gptkbp:operator
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gptkb:NASA
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gptkbp:powerSource
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solar panels
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gptkbp:precededBy
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gptkb:Mariner_10
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gptkbp:program
|
gptkb:Discovery_Program
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gptkbp:status
|
mission complete
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gptkbp:target
|
gptkb:Mercury
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gptkbp:website
|
https://messenger.jhuapl.edu/
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gptkbp:bfsParent
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gptkb:Robert_Farquhar
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gptkbp:bfsLayer
|
7
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