Astronomers Observe the Most Chemically Primitive Galaxy in the Early Universe

An image of the massive galaxy cluster MACS J0416 with a three-color composite image of LAP1-B in "velocity space" (inset). Credit: NASA/ESA/CSA/K. Nakajima et al. (2026)

An international team led by Associate Professor Kimihiko Nakajima of Kanazawa University has captured a rare look at the early universe. Using the James Webb Space Telescope (JWST) and the power of gravitational lensing, the team achieved a definitive characterization of LAP1-B, an ultra-faint galaxy from 13 billion years ago.

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