Stars are the building blocks of the cosmos! ✨ They enrich their parent galaxies, and their radiant energy could even nurture the emergence of life, like our Sun did for Earth. To better understand stars and stellar evolution, Hubble has embarked on its largest observing project yet. ULLYSES (UV Legacy Library of Young Stars as Essential Standards) uses Hubble’s ultraviolet sensitivity to make important observations that give the astronomical community insight into the birth of stars, and how th

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