Astronomers using the NASA/ESA Hubble Space Telescope have found something they never expected: ultraviolet light from a galaxy that existed just 1.4 billion years after the Big Bang. That galaxy contains tightly clustered young stars that produce ionising light capable of transforming the opaque, neutral gas within and immediately around the galaxy, clearing our view. This suggests that similar galaxies in the early Universe were responsible for clearing the neutral fog of hydrogen gas that once filled the cosmos.
The release, images and videos are available on:
https://esahubble.org/news/heic2609/
Kind regards,
ESA/Hubble Information Centre
23 June 2026
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