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Join Beth Johnson for a thought-provoking conversation with Professor Dagomar Degroot, an environmental historian at Georgetown University. They delve into the themes of his new book, Ripples on the Cosmic Ocean, set to be released on October 28, 2025.
Ripples on the Cosmic Ocean offers a sweeping history of human encounters with the solar system. Professor Degroot reimagines the solar system as a dynamic network of interconnected systems, exploring how cosmic events and environments have influenced human history and understanding. Drawing inspiration from James Lovelock’s Gaia hypothesis, he treats the entire solar system as a network of interconnected systems of exchange and influence, all of which shape even the most innocuous facts of life on Earth.
📘 Pre-order the book: https://www.hup.harvard.edu/books/9780674986503
📺 SETI Live is a weekly livestream from the SETI Institute, featuring researchers and discoveries that deepen our understanding of the universe—and our place within it.
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