In the full understanding of what life means and does on earth, it has a metabolism and can reproduce itself. So by some definitions, even many definitions of life, stars are alive. The reproducing themselves is their gas clouds waiting for this enrichment that then birth a next generation of stars. It's just an interesting way to think about stars relative to how we've thought about biology.
What is thermonuclear fusion? Neil deGrasse Tyson and comedian Chuck Nice break down the Department of Energy’s breakthrough, thermonuclear fusion at the center of stars, supernovae, and how stars are born.
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Photo Credit:
NASA/ESA/ESO/Wolfram Freudling et al. (STECF)
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