Solar p-Modes · The Sun's 5-Minute Ring
unseel.com · acoustic standing waves · helioseismology
Frequency 3.1 mHz
Period ~5 min
Stage
Photosphere surface
Redshift (sinking)
Blueshift (rising)
Refracting sound ray
Unseel.com · Solar p-Modes Unseel.com · Solar p-Mode Oscillations