![Sobreposição de dados do MUSE numa imagem do enxame M22, obtida pelo telescópio espacial Hubble.](https://divulgacao.iastro.pt/wp-content/uploads/2019/05/2019mai03_1-388x220.jpg)
Discovery of a nova remnant confirms 2,000-year-old observation
This discovery, with the participation of a researcher of the Instituto de Astrofísica e Ciências do Espaço (IA), confirms one of the oldest observations to reach present day, measured by Chinese astronomers in 48 b.C.
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