Matthew Bothwell on The Invisible Universe - The Cosmic Companion 30 Nov. 2021

<p>Matthew Bothwell, author of The Invisible Universe, discusses the 93% of "ordinary" matter we cannot see with the human eye - radio, infrared, ultraviolet astronomy, and more... &nbsp;&nbsp;&nbsp;</p> <p>This week on Astronomy News with the Cosmic Companion, we also look at how machine learning recently discovered hundreds of unknown planets, we explore a massive world hotter than some stars, and Dart lifts off on a mission that could help us save the planet.</p> --- Send in a voice message: https://anchor.fm/the-cosmic-companion/message Support this podcast: <a href="https://anchor.fm/the-cosmic-companion/support" rel="payment">https://anchor.fm/the-cosmic-companion/support</a>