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AMSE Science Report with Author Andrew Knoll
Published 2 years, 1 month ago
Description
Andrew Knoll talks about his terrific book, A Brief History of Earth: Four Billion Years in Eight Chapters. To start I asked Andy to explain how we know our planet came into existence about 4.6 billion years ago. He explained how that is calculated using meteorites and an element we know a lot about in Oak Ridge, Uranium.