The Supernova of 1054, Our Very Special "Guest Star"
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04:05

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. (0:04)

  • 2

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

  • 3

    The combined mass of the Crab Nebula and its pulsar is much less than what it should be, puzzling scientists. (2:58)

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