Benjamin Dean Astronomy Lectures

How Will the World End: Death Plunge or Death Spiral?

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How Will the World End: Death Plunge or Death Spiral?

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Dr. Mark Boslough, University of New Mexico & Sandia National Laboratories

Which would be worse for life on Earth: an asteroid impact or a global warming catastrophe? Dr. Boslough compares the "death plunge" of an asteroid into Earth's atmosphere and the resulting effects of an impact to the "death spiral" of irreversible human-caused change in the planet's climate and discusses whether one is more likely—or preventable—than the other.

 

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