A deep look into the hearts of stars

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A deep look into the hearts of stars

Postby Jack Flash » 03 Jan 18, 2:10 pm

A deep look into the hearts of stars - https://www.mpg.de/11872053/internal-st ... seismology
Our Sun, and most other stars, experience pulsations that spread through the star’s interior as sound waves. The frequencies of these waves are imprinted on the light of the star, and can be later seen by astronomers here on Earth. Similar to how seismologists decipher the inner structure of our planet by analyzing earthquakes, astronomers determine the properties of stars from their pulsations—a field called asteroseismology. Now, for the first time, a detailed analysis of these pulsations has enabled Earl Bellinger, Saskia Hekker and their colleagues to measure the internal structure of two distant stars.
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