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New research based on high-resolution simulations reveals that the conditions for the formation of the Universe’s first stars, known as Population III stars, were more chaotic than previously believed. This turbulence in gas clouds indicates that not all Population III stars were uniformly massive, which in turn influenced the metallicity of subsequent stars.
For a long time, astrophysicists thought that the Universe’s first stars, called Population III stars, were uniformly massive. It seemed like the conditions they formed in were calm and serene, which favoured massive stars. But new research based on high-resolution simulations show that conditions were more chaotic than thought, and gas cloud turbulence means that Population III stars were not all massive. This affected the metallicity of the next stars to form.
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