|
gptkbp:instance_of
|
gptkb:satellite
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:Explorer_I
|
|
gptkbp:analysis
|
NASA scientists
|
|
gptkbp:collaborations
|
gptkb:none
|
|
gptkbp:collection
|
remote sensing
|
|
gptkbp:communication
|
telemetry
|
|
gptkbp:contribution
|
understanding of space weather
|
|
gptkbp:data_type
|
radiation measurements
magnetic field data
radiation data
cosmic ray data
|
|
gptkbp:data_usage
|
research and analysis
|
|
gptkbp:decommissioned
|
gptkb:1969
|
|
gptkbp:design
|
1 year
|
|
gptkbp:discovered_by
|
gptkb:Van_Allen_radiation_belts
|
|
gptkbp:elevation
|
600 km
|
|
gptkbp:frequency
|
137.5 M Hz
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Explorer VII
|
|
gptkbp:impact
|
influenced future satellite missions
|
|
gptkbp:instrument
|
gptkb:musician
gptkb:video_game
microwave radiometer
|
|
gptkbp:launch_date
|
gptkb:1967
October 4, 1967
|
|
gptkbp:launch_site
|
gptkb:cape
|
|
gptkbp:launch_vehicle
|
150 kg
Delta D
|
|
gptkbp:launched
|
gptkb:NASA
Launch Complex 17 B
|
|
gptkbp:manufacturer
|
gptkb:NASA_Goddard_Space_Flight_Center
|
|
gptkbp:mission
|
gptkb:1968
gptkb:satellite
gptkb:Explorer_8
Low Earth Orbit
Earth science
completed
|
|
gptkbp:mission_duration
|
1 year
|
|
gptkbp:objective
|
measure magnetic fields
measure cosmic rays
measure radiation levels
study Earth's radiation environment
|
|
gptkbp:operational_status
|
decommissioned
|
|
gptkbp:orbital_inclination
|
90 degrees
|
|
gptkbp:orbital_period
|
114 minutes
eventual reentry
|
|
gptkbp:power_output
|
solar panels
|
|
gptkbp:provides_information_on
|
scientific data
|
|
gptkbp:speed
|
gptkb:1969
|
|
gptkbp:successor
|
gptkb:Explorer_8
|
|
gptkbp:type_of
|
gptkb:Explorer_series
|
|
gptkbp:weight
|
150 kg
|