Astronomy News with The Cosmic Companion Oct…

Listen now (2 min) | 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.

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