Analysis of Hubble Space Telescope observations shows that the well-known alignment between the central galaxy of a galaxy cluster and its host cluster has been in place for at least ten billion years.
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Sifón, C. Galaxy clusters: Falling into line. Nat Astron 1, 0181 (2017). https://doi.org/10.1038/s41550-017-0181
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DOI: https://doi.org/10.1038/s41550-017-0181
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