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Scientists use AI to interpret the sun's acoustic heartbeat

phys.org·University of Sheffield·6 months ago
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Sun’s chromosphere based on SOHO image. Credit: SOHO (ESA & NASA)

A new AI-based approach that can "hear" inside the sun could give vital signs of the solar disturbances that have significant effects in near-Earth space and on human activities. The solar cycle is an approximate 11-year period during which the sun's magnetic activity rises and falls. The cycle begins relatively calmly. However, as it progresses, the magnetic field becomes more aggressive, leading to a surge in sunspot numbers, solar flares, and coronal mass ejections. These eruptions can disrupt satellites and power grids and thus have a direct impact on our communication technology.

Sound (pressure) vibrations, known as p-modes, are measured on the sun's surface.…

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