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Have you ever thought about what the Sun sounds like? Scientists from the European Space Agency and NASA studied 20 years of data to try to listen to the Sun. They say the Sun produces a sound like a low, deep "heartbeat". The scientists used a special observatory to measure vibrations from the Sun. They then changed these vibrations into different sounds. The scientists will use these to find out what is happening inside the Sun. They will understand more about solar flares, chemical reactions and other things that happen inside the Sun.
The scientists explained how they created the sounds. Researchers turned data from space agencies into a "song". Dr Alex Young said: "We don't have straightforward ways to look inside the Sun...so using a star or the Sun's vibrations allows us to see inside of it." Dr Young continued: "Waves are travelling and bouncing around inside the Sun, and if your eyes were sensitive enough, they could actually see this." He added: "We are finally starting to understand the layers of the Sun and the complexity. That simple sound is giving us a probe inside a star. I think that's a pretty cool thing."
Back to the sound of the Sun lesson.
