Einstein Cross Reveals Dark Matter and a Life-y Mars Rock

We take a look the Cheyava Falls rock on Mars, or rather the Perseverance rover took a look at it, and we discuss what it saw which were some intriguing mineral formations that could have a biological origin. And gravitational lensing has enabled astronomers to map the distribution of dark matter in a small cluster of galaxies, providing a new tool to understand the distribution of this mysterious stuff. Join us for these stories, space news, space trivia, and a fake sponsor!

You can listen to Einstein Cross Reveals Dark Matter and a Life-y Mars Rock online on Radio and Podcast. Open the player on this page to stream the available audio.

Einstein Cross Reveals Dark Matter and a Life-y Mars Rock is an episode from Walkabout the Galaxy by Joshua Colwell.

This episode is 42:00 long.

This episode was published on Sep 24, 2025.

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