![Galáxias no Campo Ultra profundo do Hubble (HUDF).](https://divulgacao.iastro.pt/wp-content/uploads/2018/10/2018out02_1_web-388x220.jpg)
A Universe Aglow
Observations made with the MUSE spectrograph, with the collaboration of Instituto de Astrofísica e Ciências do Espaço (IA), allowed for direct detection of the invisible glow of Lyman-alpha emission, from dim clouds of hydrogen in the early Universe.
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