Cosmic dawn fuel discovery unlocks early galaxy growth secrets

Astronomers have discovered a huge reservoir of cold molecular gas, the direct fuel for star formation, in REBELS-25, a massive, star-forming galaxy.

The team, led from Leiden University, focused on REBELS-25, seen when the universe was only about 700 million years old, around 5% of its current age.

The research is published in the journal Monthly Notices of the Royal Astronomical Society. ...