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New Simulation Reveals the Churning Interiors of Giant Stars
Stellar fusion happens at a star's core, where the enormous temperatures and pressures fuse hydrogen atoms into helium, releasing radiation. Waves of turbulent convection generated in the core can take hundreds of thousands of years to ripple outward through the stars' layers, finally reaching the surface. A new simulation shows waves generated deep inside stars, more massive than the Sun, make their way to the surface and affect the star's brightness.
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