"Do we want to understand whether we are alone in the universe, whether there is other life out there? That is one fundamental question that drives many astronomers."

00:00:00: The search for habitable worlds, and extraterrestrial life00:00:17: Are there different types of astronomers?00:01:29: What is an exoplanet?00:02:56: Were there previous claims of exoplanets?00:04:29: Theoretically, how many exoplanets could exist?00:05:43: How do we search for exoplanets?00:09:06: What are blueshift and redshift?00:10:10: Why are you interested in exomoons?00:14:48: What are the challenges to finding exomoons?00:16:24: Is there evidence of exomoons?00:19:08: Could exomoons be inhabited? 00:21:10: How could new telescopes affect our search for exoplanets?00:23:39: Why do human beings want to colonize other planets?00:25:43: What are some ways we could inhabit an exoplanet?00:30:33: What are some cultural ramifications of expanding civilization?00:31:49: Do you believe humans will actually inhabit another planet?00:32:44: What is the Rare Earth Hypothesis?00:33:40: What do we call exoplanets that resemble Earth?00:35:08: What are the most common types of exoplanets?00:37:10: Have we found any Earth-like exoplanets?00:39:29: How common could Earth-like planets be?00:43:31: What makes a planet habitable?00:45:25: How do asteroids play into the Rare Earth Hypothesis?00:48:37: What is your anti-Rare Earth argument?00:50:24: Why is the search for alien life so popular?00:51:45: What is life?00:53:05: What are the requirements for life? 00:54:59: What is the Copernican principle?00:58:08: What is the Kardashev scale?01:00:15: What is Hart's Fact A?01:02:47: Are there any recent developments in the search for life?01:05:20: How long might it take for intelligent life to develop?01:07:23: How do we look for life on other planets?01:10:46: Why should we be cautious in our search for life?01:12:49: Will we ever answer the question of whether we are alone?01:14:44: How does our experience on Earth inform our concept of life?01:16:41: What is the SETI Paradox?01:17:43: Why are we reluctant to send messages out into space?01:23:21: What is the three-body problem?01:24:44: What are the challenges to sending messages across such large distances?01:26:32: What are the linguistic challenges to communication? 1:29:37: What's the most likely way we could communicate with life in the future?

About David Kipping:David Kipping is an Associate Professor of Astronomy at Columbia University and the founding director of the Cool Worlds Laboratory, where he leads groundbreaking research on exoplanets, exomoons, and the search for extraterrestrial life. As a pioneer in the detection of moons around planets outside our solar system, his work has been published in prestigious scientific journals and has significantly advanced our understanding of distant planetary systems. Kipping employs sophisticated statistical methods to analyze data from NASA's Kepler and TESS missions, extracting subtle signals that reveal the properties of these distant worlds. Beyond academia, he created and hosts the popular Cool Worlds YouTube channel, which has attracted over 750,000 subscribers through its accessible explorations of cosmic frontiers and speculative astronomy. After receiving his PhD from University College London and holding positions at Harvard University, Kipping has established himself as a respected researcher who effectively bridges rigorous scientific investigation with compelling public science communication.

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Episode 53 - Excel Still More