Simulations indicate that faint galaxies of a seemingly tranquil class were born in violent cosmic encounters. This would be good news for the prevailing model of how the Universe is constructed.
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P.-A. DUC/CEA-CNRS/NRAO/AUI/NSF/NASA.
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Struck, C. Dim view of past clashes. Nature 450, 956–957 (2007). https://doi.org/10.1038/450956a
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DOI: https://doi.org/10.1038/450956a
