Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..269...58k&link_type=abstract
Galileo's Medicean Moons: their impact on 400 years of discovery, Proceedings of the International Astronomical Union, IAU Sympo
Astronomy and Astrophysics
Astronomy
Galilean Moons, Magnetic Field, Magnetosphere
Scientific paper
Jupiter's moons, embedded in the magnetized, flowing plasma of Jupiter's magnetosphere, the plasma seas of the title, are fluids whose highly non-linear interactions imply complex behavior. In a plasma, magnetic fields couple widely separated regions; consequently plasma interactions are exceptionally sensitive to boundary conditions (often ill-specified). Perturbation fields arising from plasma currents greatly limit our ability to establish more than the dominant internal magnetic field of a moon. With a focus on Ganymede and a nod to Io, this paper discusses the complexity of plasma-moon interactions, explains how computer simulations have helped characterize the system and presents improved fits to Ganymede's internal field.
Galland Kivelson Margaret
Jia Xianzhe
Khurana Krishan K.
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