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Scientists use AI to interpret the sun's acoustic heartbeat

phys.org·University of Sheffield·20 days 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. They are important to scientists because they can travel deep into the sun's interior and return, bringing back information from inside during the solar cycle.…

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