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States of matter

States of matter

Superionic ice phases could explain unusual magnetic fields around Uranus and Neptune

25 Nov 2021 Isabelle Dumé
magnetic field of Neptune
The magnetic field of Neptune, like that of the Earth, is not static but varies over time. Pictured is a snapshot from August 2004. Courtesy: NASA's Scientific Visualization Studio
For a relatively simple chemical compound, water – especially its frozen varieties – is surprisi

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Isabelle Dumé is a contributing editor to Physics World
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