Ep. 8: Galactic Cannibalism

It’s a galaxy-eat-galaxy Universe out there.  Today we’re talking about how big galaxies eat little galaxies, and looking at the fabulous arcs of stars stripped and tossed across the dark sky.  Our guest today is Dr. Robyn Sanderson, who looks at these tidal tails, and uses them to understand everything from galactic formation to dark matter.

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