# #28 Neil deGrasse Tyson - What Is Earth's Biggest Threat?

An episode of [Within Reason](https://invisiblenetwork.ai/podcast/1458675168), 23 Apr 2023, 47 min.

Audio: https://anchor.fm/s/10a220e88/podcast/play/109253801/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-9-5%2F408715651-44100-2-e0ce4be5e7b44191.mp3

Neil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium, and one of the most recognisable communicators of science in the world. His most recent book is Starry Messenger: Cosmic Perspectives on Civilisation: https://amzn.to/40Cdkgi (affiliate link) Learn more about your ad choices. Visit megaphone.fm/adchoices

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