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How Massive Were the Universe's First Starbursts? New Research Weighs In
Key Takeaways
- A new arXiv preprint by Tae Bong Jeon of the Cosmic Frontier Center at UT Austin examines how massive the universe's first starbursts could become
- Population III stars formed purely from hydrogen and helium, with no heavier elements present
- JWST has found hints of pristine starbursts but hundreds of millions of years later than pre-launch models predicted
- Two existential traps must be avoided: premature collapse of gas clouds and metal contamination from neighboring supernovae
DE
DT Editorial Team··via universetoday.com
 *The full trail of galaxies, with an inset image of DF9 taken by the Hubble Space Telescope. Credit: Keim et al. (2026)/DECaLS/HST* (via universetoday.com)](https://www.universetoday.com/article_images/YN_DF9-drak-galaxy_20260630_213243.jpg)
