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The Supernova of 1054, Our Very Special "Guest Star"

Key Facts In This Video

  1. When the supernova that became the Crab Nebula appeared in 1054, it was 4 times brighter than Venus. 00:04

  2. The Crab Nebula measures around 10 lightyears in diameter, which is far bigger than our solar system. 02:01

  3. The combined mass of the Crab Nebula and its pulsar is much less than what it should be, puzzling scientists. 02:58

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