Tag Archives: sound waves

Our Sun: Helioseismology

We can’t see below the surface of the sun. That makes sense, really. We can’t see below the surface of the Earth, either—we have to get creative if we want to find out what goes on below the crust. In … Continue reading

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The Doppler Effect

Have you ever heard the ice cream truck? When I was little, I remember hearing the ice cream truck all the time. Just the sound of the opening notes of “Pop Goes the Weasel” were enough to propel me to … Continue reading

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