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A trail of dark-matter-free galaxies from a bullet-dwarf collision
The ultra-diffuse galaxies DF2 and DF4 in the NGC 1052 group share several unusual properties: they both have large sizes(1), rich populations of overluminous and large globular clusters(2–6), and very low velocity dispersions that indicate little or no dark matter(7–10). It has been suggested that...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9117144/ https://www.ncbi.nlm.nih.gov/pubmed/35585344 http://dx.doi.org/10.1038/s41586-022-04665-6 |