MP3: Helioseismology / Listening to the inside of the Sun
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ITotD-255-Helioseismology.mp3
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ITotD-255-Helioseismology.mp3
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Although in general I have tremendous faith in science, there are a few concepts I’ve always had some trouble grasping. For example, textbooks have told us for decades—with great certainty—details about the interior of the Earth. We know how thick the crust and mantle are, what the core is made of, and how hot it is (among many other facts), even though no one has managed to dig or drill even hal... Source: itotd.com
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