Earth 2 and the Great Filter

Another almost-Earth-like planet discovered by the Kepler mission, but still no genuine Earth twins. Zoe Landsman joins us to discuss the implications of “Earth 2.0” and whether it would be good news or terrible news if we discover intelligent life out there. The answer may not be as obvious as it seems at first blush. It’s life, the universe and everything on this episode of Walkabout the Galaxy.

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