Stars like the Sun generate oscillations, or rhythmic vibrations on their surface, caused by the turbulent motion of boiling gas in their outer layers. While these vibrations are easy to measure in Sun-like stars, they are much harder to detect in orange dwarfs because the signals are very faint. To overcome this, high-precision tools can now measure tiny shifts in a star's light caused by these movements, a technique known as Doppler asteroseismology. This approach allows for a direct look at t...
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