Space waves reveal where Earth's magnetic shield is under pressure
Researchers from the University of Oulu have identified specific locations where Kelvin-Helmholtz waves form at the edge of Earth's magnetosphere. These waves allow solar wind particles to penetrate the magnetic shield, potentially impacting satellite and communication systems.
Why it matters
Understanding these space weather phenomena is critical for protecting global infrastructure, such as power grids and GPS systems, from the effects of solar storms.
edited by Sadie Harley , reviewed by Robert Egan
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Add to Preferred Sources Kelvin–Helmholtz waves can also be seen in clouds. Credit: Famartin , CC BY-SA 4.0 via Wikimedia Commons . A new study led by researchers at the University of Oulu in Finland sheds light on a poorly understood part of space weather: where powerful waves form at the edge of Earth's magnetic shield and where the solar wind can find a way through.
The study "IMF By-Controlled Dawn–Dusk and Hemispheric Asymmetries of Kelvin–Helmholtz Waves and Reconnection Geometry Under Negative Dipole Tilt" is published in Geophysical Research Letters .
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