During earlier days of the universe, when the Milky Way galaxy was a cosmic baby, powerful magnetic fields may have severely crushed its growth. A new study suggests that our galaxy would be considerably larger today, had it not been for the unfathomably powerful, primordial magnetic fields that supported the shape of the universe. Scientists also removed the outcomes of the magnetic fields and observed the galaxy grow an extra 45 percent in volume. These magnetic fields could also describe how supermassive black holes were able to develop in the center of galaxies, like the black hole Sagittarius A* at the core of the Milky Way.
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