When to Use the Helioseismology Sun Oscillation 3D Explorer - Best Sessions and Limits
Open Helioseismology Sun Oscillation 3D Explorer when you want to understand HOW astronomers measure the boundary between the Sun's convecting outer layer and its calmer interior using surface sound waves - not to watch a real-time recording of the Sun's actual oscillation or to get a survey-grade seismic dataset.
A diagnostic-method lesson
A session starts on the rippling surface view with the amplitude slider turned up to see the wave pattern clearly, cycling through "Next wave pattern" to notice that each simplified pattern looks different, then toggling "Show interior cutaway" to see the specific 0.713-solar-radii boundary this technique measures and why it matters for the Sun's magnetic cycle.
Sessions this explorer does not fit
Sessions this page does not fit are reviewing actual SOHO/GONG/SDO-HMI helioseismic data products or ring-diagram inversions - for that, see the observatories' own science archives - or studying the Sun's static layered structure, which belongs on the Sun Structure 3D Explorer. For the surface convection cells this technique probes from underneath, see the Solar Granulation 3D Explorer. Walk the controls in the step-by-step guide.
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