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How Quickly Does A Supernova Happen? The Stunning Speed of a Core Collapse Supernova

Key Facts In This Video

  1. Stars that are 8 to 50 times the mass of our sun exhaust the hydrogen in their cores within a few million years. 01:01

  2. During a core collapse supernova, the outer edges of a star's core collapse inward at 70,000 meters per second. 01:46

  3. Supernova 1987A took 85 days to reach peak brightness after its core collapse. 02:55