Big Picture Science – Cosmic Conundra: Mike Rampino / Catastrophic Collision Cycles

by Gary Niederhoff on December 6, 2015

Collision_d'une_comète
Cosmic Conundra – Catastrophic Collision Cycles
click to listen (TRT 9:31)

Part 1 of Cosmic Conundra, featuring Mike Rampino, professor of biology and environmental studies at New York University, explaining how the movement of our solar system within the milky way may lead to periodic collisions with comets that cause mass extinction events.

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