black obelisks

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Dwarf Galaxy Dance

tags: astronomy, cosmology, black obelisks, Dwarf Galaxy Dance, formation of dwarf galaxies, cold dark matter model, NPG, peer-reviewed research, NATURE, 10.1038/nature08640, streaming video This beautiful animation shows how exploding stars are a key force in shaping dwarf galaxies. Fabio Governato and colleagues present computer simulations that appear to have solved a longstanding problem in cosmology…