What ended the ‘dark ages’ in the early universe? New Webb data just brought us closer to solving the mystery
- Written by: Themiya Nanayakkara, Senior Scientist at the James Webb Australian Data Centre, Swinburne University of Technology
NASA / ESA / CSA / Ivo Labbe (Swinburne) / Rachel Bezanson (University of Pittsburgh) / Alyssa Pagan (STScI)About 400,000 years after the Big Bang, the cosmos was a very dark place. The glow of the universe’s explosive birth had cooled, and space was filled with dense gas – mostly hydrogen – with no sources of light.
Slowly, over...