Birdwatch Note Rating
2023-08-10 18:13:49 UTC - HELPFUL
Rated by Participant: D5813960FBBC892C0965DEFA27BF404E527872ABD2DC5693738C993A5ED7B5C2
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Original Note:
This is an oversimplification. Although disc galaxies in the low-redshift universe do appear to rotate approximately once every billion years, it is still unclear whether this is true of all galaxies, including those at higher redshifts and non-disc galaxies. https://academic.oup.com/mnras/article/476/2/1624/4925565
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