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Astronomers Say a Core Tool for Weighing Galaxies May Be Off
Key Takeaways
- Researchers say the initial mass function may be applied too broadly across galaxies.
- The common IMF is based largely on Milky Way observations and may underrepresent environmental differences.
- Better stellar population estimates could improve models of galaxy mass, age, and evolution.
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)
