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New 3D Model Enhances Solar Activity Forecasts

2/5/2026

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Summary

Story summary

Researchers reconstructed a three-dimensional model of the sun's internal magnetic field from daily maps spanning 1996–2025.
The model reproduced past solar cycles and projected activity for up to four years.
This approach enables indirect monitoring of the sun's interior and could improve forecasts to protect satellites and power grids.
Future work aims to sharpen timing and location predictions of solar activity.
The study was published in The Astrophysical Journal Letters.

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Story summary

Researchers reconstructed a three-dimensional model of the sun's internal magnetic field from daily maps spanning 1996–2025.
The model reproduced past solar cycles and projected activity for up to four years.
This approach enables indirect monitoring of the sun's interior and could improve forecasts to protect satellites and power grids.
Future work aims to sharpen timing and location predictions of solar activity.
The study was published in The Astrophysical Journal Letters.