Listen now (67 min) | How realistic is the SpaceX dream to get to Mars? What does the latest scientific literature have to say about supernovae? Is there intelligent life in the universe? Today, Sarah and David are joined by Atlantic staff writer Marina Koren for a deep dive into all things space. Hear everything there is to know about the space race between Elon Musk and Jeff Bezos, colliding black holes, and other crazy interstellar phenomena.
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