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gptkbp:instanceOf
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gptkb:satellite
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gptkbp:alsoKnownAs
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gptkb:Pioneer_Venus_project
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gptkbp:consistsOf
|
gptkb:Pioneer_Venus_Multiprobe
gptkb:Pioneer_Venus_Orbiter
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gptkbp:countryOfOrigin
|
gptkb:United_States
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https://www.w3.org/2000/01/rdf-schema#label
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Pioneer Venus mission
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gptkbp:launchDate
|
1978
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gptkbp:objective
|
study Venus atmosphere
map Venus surface
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gptkbp:operatedBy
|
gptkb:NASA
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gptkbp:partOf
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gptkb:Pioneer_program
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gptkbp:Pioneer_Venus_mission
|
first US mission to Venus since Mariner 10
provided data for Magellan mission planning
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gptkbp:Pioneer_Venus_Multiprobe_carried
|
one large probe
three small probes
|
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gptkbp:Pioneer_Venus_Multiprobe_endOfMission
|
December 9, 1978
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gptkbp:Pioneer_Venus_Multiprobe_launchDate
|
August 8, 1978
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gptkbp:Pioneer_Venus_Multiprobe_measured
|
gptkb:temperature
radio signals
pressure
winds
atmospheric composition
light levels
cloud structure
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gptkbp:Pioneer_Venus_Multiprobe_missionDuration
|
several hours
|
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gptkbp:Pioneer_Venus_Multiprobe_probes_entered_atmosphere
|
December 9, 1978
|
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gptkbp:Pioneer_Venus_Orbiter_detected
|
volcanic features
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gptkbp:Pioneer_Venus_Orbiter_discovered
|
evidence of lightning on Venus
|
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gptkbp:Pioneer_Venus_Orbiter_endOfMission
|
October 8, 1992
|
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gptkbp:Pioneer_Venus_Orbiter_entered_orbit
|
December 4, 1978
|
|
gptkbp:Pioneer_Venus_Orbiter_launchDate
|
May 20, 1978
|
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gptkbp:Pioneer_Venus_Orbiter_mapped
|
Venus surface using radar
|
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gptkbp:Pioneer_Venus_Orbiter_missionDuration
|
14 years
|
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gptkbp:Pioneer_Venus_Orbiter_reentered_atmosphere
|
October 22, 1992
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gptkbp:Pioneer_Venus_Orbiter_studied
|
Venus atmosphere
Venus surface
Venus clouds
|
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gptkbp:target
|
gptkb:Venus
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gptkbp:bfsParent
|
gptkb:John_L._Hoffman
gptkb:Neutral_Mass_Spectrometer
|
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gptkbp:bfsLayer
|
7
|