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Ancient astronomers in China recorded the bright stellar explosion. The figure is taken from Smithsonian Institution, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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The Crab Nebula is the remnant of a supernova observed in 1054

Ancient astronomers in China recorded the bright stellar explosion

In July 1054, astronomers in China, Japan and the Islamic world documented a guest star that appeared in the sky, remaining visible in broad daylight for 23 days. Today we recognise this object as the Crab Nebula, a expanding cloud of gas centered around a rapidly spinning neutron star pulsar.

Crab Nebula in Taurus — ESO · CC BY 4.0 · licence · source

Where this comes from

Smithsonian Institution

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Tags: crab nebula, supernova, history

The Crab Nebula is the remnant of a supernova observed in 1054: the short answers

Where does this come from, and can I check it?: Ancient astronomers in China recorded the bright stellar explosion. The figure is taken from Smithsonian Institution, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?: Yes. It sits on the Space shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.