Image Credit: Ken Chen et al.
Gas density distribution of the first galaxy after 33 Myr of evolution calculated by Chen & Chen (in preparation). The gas and metals inside supernova remnants mixes with surrounding gas and other remnants and gradually collapses to the galaxy center. There are already over a thousand stars formed in the very central region. The star-forming region is tiny compared with the entire galaxy; thus, the stars are not shown here.
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