Statements (58)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:spacecraft
|
| gptkbp:analysis |
ongoing by researchers
|
| gptkbp:collaborations |
gptkb:University
collaborated with international scientists |
| gptkbp:collection |
magnetic field measurements
plasma measurements cosmic ray measurements energetic particle measurements |
| gptkbp:communication |
radio signals
|
| gptkbp:community |
widely recognized
|
| gptkbp:contribution |
provided data on solar wind interactions
|
| gptkbp:data_type |
digital data
|
| gptkbp:data_usage |
1 kbps
used in educational programs |
| gptkbp:design |
part of the Explorer program
|
| gptkbp:frequency |
10.7 M Hz
|
| gptkbp:historical_context |
complex analysis required
|
| https://www.w3.org/2000/01/rdf-schema#label |
Explorer 20
|
| gptkbp:impact |
enhanced understanding of space weather
|
| gptkbp:instrument |
gptkb:video_game
particle detectors fluxgate magnetometer |
| gptkbp:is_considered |
peer-reviewed process
|
| gptkbp:launch_date |
1971-11-10
|
| gptkbp:launch_site |
gptkb:Cape_Canaveral_Air_Force_Station
|
| gptkbp:launch_vehicle |
Delta D
approximately 100 kg |
| gptkbp:legacy |
contributed to future missions
|
| gptkbp:mission |
gptkb:Research_Institute
gptkb:Explorer_21 completed Earth orbit 1972-11-10 ground control teams influenced future space missions successful data collection understand magnetospheric dynamics extensive mission reports important for space science planned mission duration technical difficulties encountered |
| gptkbp:mission_duration |
approximately 1 year
planned and executed over several years |
| gptkbp:objective |
study the Earth's magnetosphere
|
| gptkbp:operational_status |
operational during mission
|
| gptkbp:operator |
gptkb:NASA
|
| gptkbp:orbital_inclination |
low Earth orbit
|
| gptkbp:partnerships |
involved multiple institutions
|
| gptkbp:power_output |
solar panels
|
| gptkbp:provides_information_on |
scientists worldwide
|
| gptkbp:publishes |
numerous papers published
|
| gptkbp:receives_funding_from |
NASA budget
|
| gptkbp:released |
publicly available
|
| gptkbp:scientific_goals |
advance knowledge of Earth's environment
|
| gptkbp:storage |
onboard tape recorder
|
| gptkbp:successor |
gptkb:Explorer_21
|
| gptkbp:bfsParent |
gptkb:Explorer_1
|
| gptkbp:bfsLayer |
4
|