Alien Asteroid Belts

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12.14.05

Robert Hurt speaks with Dr. Dean Hines by phone about the discovery of an asteroid belt similar to our own around a very young star, and what that might mean for the abundance of planets in the galaxy.

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Unsettled Youth: A Chaotic Planetary System

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Unsettled Youth: A Chaotic Planetary System

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Cosmic Suburbia

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Uncommon Moons

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