Earth’s radiation belts
E786118
Earth’s radiation belts are doughnut-shaped regions of trapped charged particles encircling our planet, dominated by the Van Allen belts and strongly influenced by Earth’s magnetic field and space weather.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Van Allen radiation belts | 5 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
planetary radiation belt system
ⓘ
space plasma region ⓘ |
| affects |
radiation shielding needs
ⓘ
satellite operations ⓘ spacecraft design requirements ⓘ |
| alsoKnownAs | Van Allen radiation belts NERFINISHED ⓘ |
| composedOf |
electrons
ⓘ
heavy ions ⓘ protons ⓘ trapped charged particles ⓘ |
| confinementMechanism | Earth’s geomagnetic field lines ⓘ |
| containsRegion | slot region of reduced particle flux ⓘ |
| discoveredBy |
Explorer 1 mission
NERFINISHED
ⓘ
James Van Allen NERFINISHED ⓘ |
| discoveryDate | 1958 ⓘ |
| dominatedBy | Van Allen belts NERFINISHED ⓘ |
| energyRange | from kiloelectronvolts to megaelectronvolts ⓘ |
| extendsFrom | about 1 Earth radius above Earth’s surface ⓘ |
| extendsTo | about 7 Earth radii above Earth’s surface ⓘ |
| hasPart |
inner Van Allen radiation belt
NERFINISHED
ⓘ
outer Van Allen radiation belt NERFINISHED ⓘ |
| hazardFor |
astronauts
ⓘ
satellites ⓘ spacecraft electronics ⓘ |
| influencedBy |
Earth’s magnetic field
NERFINISHED
ⓘ
coronal mass ejections ⓘ geomagnetic storms ⓘ solar energetic particle events ⓘ solar wind ⓘ space weather ⓘ |
| locatedAround | Earth NERFINISHED ⓘ |
| monitoredBy |
ground-based magnetometers
ⓘ
space-based radiation detectors ⓘ |
| particleMotion |
bounce motion between magnetic mirror points
ⓘ
drift around Earth ⓘ gyration around magnetic field lines ⓘ |
| partOf |
Earth’s magnetosphere
NERFINISHED
ⓘ
near-Earth space environment ⓘ |
| radiationSource |
galactic cosmic rays
ⓘ
trapped solar wind particles ⓘ |
| radiationType | ionizing radiation ⓘ |
| shape |
doughnut-shaped
ⓘ
toroidal ⓘ |
| studiedBy |
Cluster mission
NERFINISHED
ⓘ
Explorer missions NERFINISHED ⓘ THEMIS mission NERFINISHED ⓘ Van Allen Probes NERFINISHED ⓘ |
| variesWith |
geomagnetic activity level
ⓘ
solar cycle ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Explorer 3
this entity surface form:
Van Allen radiation belts
this entity surface form:
Van Allen radiation belts
this entity surface form:
Van Allen radiation belts
DSX (Demonstration and Science Experiments) spacecraft
→
spaceEnvironmentRegion
→
Earth’s radiation belts
ⓘ
this entity surface form:
Van Allen radiation belts
this entity surface form:
Van Allen radiation belts