ELI5: Explain Like I'm 5

Helioseismology

Helioseismology is like listening to inside the sun. Scientists use special tools to listen to sound waves that travel through the Sun. These sound waves can tell us a lot about what the inside of the Sun is like. It's like the sound waves tell us what the temperature, speed, and density of the Sun is. This is how scientists find out what's happening inside our Sun!