JWST finds a stellar bar in the early universe that breaks all rules - Phys.org
science 2026/05/31 12:50:02

JWST finds a stellar bar in the early universe that breaks all rules - Phys.org

Source:Phys.Org
Author:Shreejaya Karantha

Astronomers using the James Webb Space Telescope (JWST) have discovered a stellar bar in GN20, a massive galaxy seen just 1.5 billion years after the Big Bang. The new paper was submitted to the preprint server arXiv on May 14.