Astronomy News with The Cosmic Companion Oct. 28, 2019

Hello everyone! Here’s the second (and newest) episode of the new podcast, Astronomy News with The Cosmic Companion. This week, we explore evidence that Mars was once home to large salty lakes, take a new look at the expansion rate of the Universe, and consider the idea that an asteroid broke up before hitting Earth 12,800 years ago, triggering the Younger Dryas extinction.Sneak previews of the video version of this show are available to all paid subscribers! Let’s take off! - James Get full access to The Cosmic Companion at thecosmiccompanion.substack.com/subscribe--- Send in a voice message: https://anchor.fm/the-cosmic-companion/messageSupport this podcast: https://anchor.fm/the-cosmic-companion/support This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit aicreatorhouse.substack.com/subscribe