Back to today’s briefing

Story perspectives

James Webb Uncovers Milky Way's Star-Forming Powerhouse

9/24/2025

22 2

Summary

Story summary

Astronomers from the University of Florida used the James Webb Space Telescope to study Sagittarius B2, 27,000 light-years away.
Their findings, published September 15, identify Sagittarius B2 as Milky Way's most active star-forming site, at 0.04 solar masses per year.
JWST uncovered hidden massive stars and new H II regions.
Researchers say star formation in Sagittarius B2 is just beginning.

1 of 1

Story summary

Astronomers from the University of Florida used the James Webb Space Telescope to study Sagittarius B2, 27,000 light-years away.
Their findings, published September 15, identify Sagittarius B2 as Milky Way's most active star-forming site, at 0.04 solar masses per year.
JWST uncovered hidden massive stars and new H II regions.
Researchers say star formation in Sagittarius B2 is just beginning.