had developed a new theoretical model of the sun that postulated the existence of trapped sound and gravity waves as the cause for the roiling of the sun's surface. By the mid-1970s, scientists working independently in France, Germany, Japan, and the U.S. Zirker recounts the discovery of solar oscillations in the early 1960s and international efforts throughout the rest of the decade to explain this phenomenon. Zirker tells the story of this new science and explains the physics behind these illuminating vibrations. Over the past three decades astronomers have gained spectacular insights into the structure and composition of the sun's interior, transforming the way we understand stellar matter. One of the most recent and exciting branches of astronomy, helioseismology―like its terrestrial counterpart―studies why the surface of the sun vibrates like a bell.
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