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News and Views
Nature 428, 134-135 (11 March 2004) | doi:10.1038/428134a
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Planetary science: Secrets of the deep
Jonathan Aurnou1
Abstract
The magnetic fields of Uranus and Neptune are markedly different from those of other planets in the Solar System. Can this be attributed to structural differences deep inside the planets?
Several planets in the Solar System — including Jupiter and its moon Ganymede, Saturn and possibly Mercury1 — have a magnetic field that is similar to Earth's. The magnetic fields resemble that of a bar magnet, with the alignment of north and south poles oriented close to the rotation axis of the planet.
- Jonathan Aurnou is in the Department of Earth and Space Science, University of California, Los Angeles, 595 Charles Young Drive East, Los Angeles, California 90095-1567, USA.
e-mail: Email: aurnou@ucla.edu
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