A study of galaxies indicates that galaxy formation may be regulated by a single parameter. This unexpected finding shows that prevailing views on the process could need revision.
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van den Bergh, S. How do galaxies form?. Nature 455, 1049–1051 (2008). https://doi.org/10.1038/4551049a
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DOI: https://doi.org/10.1038/4551049a
