Univers primitif

Articles about Univers primitif

Webb Finds 8.5‑Billion‑Year‑Old Jellyfish Galaxy

Using the James Webb Space Telescope, astronomers have identified the most distant 'jellyfish' galaxy yet — a galaxy caught being stripped of its gas 8.5 billion years ago, reshap… Fév 24, 2026

Space

James Webb Telescope Reveals Turbulent, Uneven Galaxies in the Early Universe

A survey of more than 250 James Webb Space Telescope observations finds that galaxies from 800 million to 1.5 billion years after the Big Bang were largely turbulent and clumpy ra… Nov 15, 2025