Science

Sun's outer magnetic field mapped in 3D for the first time

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 28/10/2026, 20:10:24 UTC.

Briefings

Researchers released the first global, three-dimensional map of the Sun's magnetic field, extending beyond the visible photosphere to cover the corona. This breakthrough aims to improve space weather forecasting by better modeling solar eruptions, which affect Earth's infrastructure. The study provides a foundational dataset for understanding the Sun's complex magnetic architecture.

Key points

• A team of researchers produced the first global, three-dimensional estimates of the Sun's magnetic field, including the area beyond the Sun's visible edge.
• The study aims to improve space weather forecasting by better modeling solar eruptions, which are the root cause of extreme space weather impacting Earth's critical infrastructure.

Context

This research represents a significant advancement in solar physics, providing the first comprehensive 3D model of the Sun's magnetic field structure. Such data is essential for predicting solar activity and its potential effects on Earth's technological systems.

Limitations

The dataset covers the Sun's corona but does not include the photosphere or the Sun's surface. The study relies on observational data and theoretical models, so uncertainties remain in interpreting the full 3D structure of the magnetic field.

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