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37 reactions · 20 shares | Simulation of star formation of the galaxy MACS1149-JD1. Approximately 200 million years after the Big Bang, active star formation ignites in the high-density regions, leading to the formation of galaxies. The gas in the galaxy is ejected by active stellar wind and supernovas, eventually cycling back through the galaxy to cause another round of star formation. https://public.nrao.edu/news/2018-alma-oxygen-iii/ | National Radio Astronomy Observatory (NRAO) | Facebook

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