Astrophysics and Space Science · 2006 · 21 citations · 5 references
Natural SciencesEarth SciencesPhysicsAstrophysicsElectromagnetismGeomagnetismGeomagnetic IndicesMagnetohydrodynamicsSolar Active RegionsSolar Magnetic FieldsSolar PhysicsActive Region Magnetic FieldsMagnetic Field StrengthRadius RatioSolar Surface MagnetismSunspot Magnetic FieldsSunspot PenumbraeSunspot Umbrae
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