Jupiter’s magnetosphere

E661432

astrophysical plasma environment planetary magnetosphere

Jupiter’s magnetosphere is the vast, powerful magnetic environment surrounding Jupiter, shaped by its strong magnetic field and rapid rotation, and interacting intensely with its moons and the solar wind.

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All labels observed (4)

Label	Occurrences
Jovian magnetosphere	2
Jupiter magnetosphere	2
Jupiter’s magnetosphere canonical	2
Jupiter auroral acceleration regions	1

How this entity was disambiguated

This entity first appeared as the object of triple T7398162 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Jupiter’s magnetosphere
Context triple: [Io, hasMagnetosphericInteractionWith, Jupiter’s magnetosphere]

A. Interior Characterization of Europa using Magnetometry
Interior Characterization of Europa using Magnetometry (ICEMAG) is a planned magnetometer investigation for NASA’s Europa Clipper mission designed to probe Europa’s internal structure and subsurface ocean by measuring its magnetic field.
B. Parker spiral model of the interplanetary magnetic field
The Parker spiral model of the interplanetary magnetic field describes how the Sun’s rotating, magnetized solar wind stretches the solar magnetic field into an Archimedean spiral shape throughout the heliosphere.
C. Earth’s outer radiation belt
Earth’s outer radiation belt is a torus-shaped region of space around Earth filled with high-energy charged particles trapped by the planet’s magnetic field.
D. Earth’s inner radiation belt
Earth’s inner radiation belt is a dense region of high-energy charged particles trapped by Earth’s magnetic field, forming the inner part of the Van Allen radiation belts surrounding the planet.
E. Magnetospheric Multiscale Mission
The Magnetospheric Multiscale Mission is a NASA space mission using four identical spacecraft flying in formation to study the microphysics of magnetic reconnection, energetic particle acceleration, and turbulence in Earth's magnetosphere.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Jupiter’s magnetosphere
Target entity description: Jupiter’s magnetosphere is the vast, powerful magnetic environment surrounding Jupiter, shaped by its strong magnetic field and rapid rotation, and interacting intensely with its moons and the solar wind.

A. Interior Characterization of Europa using Magnetometry
Interior Characterization of Europa using Magnetometry (ICEMAG) is a planned magnetometer investigation for NASA’s Europa Clipper mission designed to probe Europa’s internal structure and subsurface ocean by measuring its magnetic field.
B. Parker spiral model of the interplanetary magnetic field
The Parker spiral model of the interplanetary magnetic field describes how the Sun’s rotating, magnetized solar wind stretches the solar magnetic field into an Archimedean spiral shape throughout the heliosphere.
C. Earth’s outer radiation belt
Earth’s outer radiation belt is a torus-shaped region of space around Earth filled with high-energy charged particles trapped by the planet’s magnetic field.
D. Earth’s inner radiation belt
Earth’s inner radiation belt is a dense region of high-energy charged particles trapped by Earth’s magnetic field, forming the inner part of the Van Allen radiation belts surrounding the planet.
E. Magnetospheric Multiscale Mission
The Magnetospheric Multiscale Mission is a NASA space mission using four identical spacecraft flying in formation to study the microphysics of magnetic reconnection, energetic particle acceleration, and turbulence in Earth's magnetosphere.
F. None of above. chosen

Statements (60)

Predicate	Object
instanceOf	astrophysical plasma environment ⓘ planetary magnetosphere ⓘ
affects	surface radiation environment of Galilean moons ⓘ
analogOf	Earth’s magnetosphere ⓘ
composition	electrons ⓘ oxygen ions ⓘ protons ⓘ sulfur ions ⓘ
contains	Io plasma torus ⓘ
coupledTo	Jupiter’s ionosphere ⓘ linked to: Jovian ionosphere Jupiter’s upper atmosphere ⓘ
discoveredBy	Pioneer 10 ⓘ Pioneer 11 ⓘ
dominantPlasmaSource	Io’s volcanic activity ⓘ
drivenBy	Jupiter’s rapid rotation ⓘ interaction with solar wind ⓘ
energyTransportProcess	field-aligned currents ⓘ magnetic reconnection ⓘ radial diffusion ⓘ
extendsSunwardTo	about 50–100 Jupiter radii under typical solar wind conditions ⓘ
extendsTailwardBeyond	several hundred Jupiter radii ⓘ
hasFeature	auroral ovals ⓘ bow shock ⓘ current sheet ⓘ magnetopause ⓘ magnetotail ⓘ radiation belts ⓘ
hasSubregion	inner magnetosphere ⓘ magnetotail lobes ⓘ middle magnetosphere ⓘ outer magnetosphere ⓘ
hazardFor	spacecraft ⓘ
hostBody	Jupiter ⓘ
influences	space weather near Jupiter ⓘ
interactsWith	Callisto ⓘ Europa ⓘ Ganymede ⓘ Io ⓘ solar wind ⓘ
magneticFieldSource	Jupiter’s internal dynamo ⓘ
magneticFieldStrengthAtEquator	about 10 times Earth’s magnetic field ⓘ about 4.3 gauss ⓘ
moreIntenseThan	Earth’s magnetosphere ⓘ
plasmaSource	Io’s volcanic gases ⓘ Jovian ionosphere ⓘ
produces	decametric radio emissions ⓘ intense auroras at Jupiter’s poles ⓘ kilometric radio emissions ⓘ synchrotron radiation ⓘ
radiationLevel	extremely high energetic particle fluxes ⓘ
rotationPeriod	about 9.9 hours ⓘ
rotationRegime	corotation-dominated inner magnetosphere ⓘ
rotationRegime	solar-wind-influenced outer magnetosphere ⓘ
sizeRelativeToSun	largest continuous structure in the Solar System after the heliosphere ⓘ
studiedBy	Cassini spacecraft ⓘ linked to: Cassini–Huygens Galileo spacecraft ⓘ Juno spacecraft ⓘ New Horizons spacecraft ⓘ linked to: New Horizons Voyager 1 ⓘ Voyager 2 ⓘ