Scientists recreated the eerie twinkle of a star in an attempt to map the cosmic furnace's inner workings.
We all know how the lullaby goes, but now astrophysicists have finally caught up — reproducing the eerie thrumming sound of a star's"twinkle, twinkle" for the first time.
Related: Tiny, 'ultracool' star emits surprising radio signals that it should not be capable of producing How the star got its twinkleWe observe stars twinkling for two reasons. First, their distant light is bent by unpredictable air currents as it travels through Earth's atmosphere, constantly altering the amount of light that reaches us on the ground. But stars also have an inherent twinkle — one that emerges from convection processes as hot, fusing plasma travels outward from their fiery cores to their surfaces.
"We first put a damping layer around the star — like the padded walls you would have in a recording studio — so we could measure exactly how the core convection makes waves," Anders said.
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