https://www.aanda.org/articles/aa/full_html/2021/03/aa39590-20/aa39590-20.html
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
galaxy clusterabellsystemmpc
https://www.arxiv.org/abs/2205.03828
Abstract page for arXiv paper 2205.03828: The first molecules in the intergalactic medium and halos of the Dark Ages and Cosmic Dawn
intergalactic mediumfirstmolecules