The faint little galaxies that could shed light on the early cosmos - Nature.com

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The first galaxies coalesced more than 12 billion years ago. Small and fairly short-lived, they helped to bring light and energy to a vast, dark sea of neutral atoms in a process known as reionization. Now, researchers have identified a clutch of galaxies relatively near Earth that could serve as good proxies for the study of those ancient galaxies¹.

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doi: https://doi.org/10.1038/d41586-021-02943-3

References

1. 1.

   Griffiths, A. et al. Mon. Not. R. Astron. Soc. 508, 3860–3876 (2021).

   Article  Google Scholar 

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Subjects

• Astronomy and astrophysics

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