Studying the conditions of galaxies helps scientists to solve the mysteries of how stars, planets, and life evolved.
"Using high-resolution ALMA observations of molecular gas in the pair of galaxies known collectively as SPT0311-58 we detected both water and carbon monoxide molecules in the larger of the two galaxies," astronomer at the University of Illinois and the principal investigator on the new research, Sreevani Jarugula explained.
Because of their distance and the time that the light from these galaxies has taken to reach us, we see these galaxies as they existed when the Universe was just 780 million years old, just 5 percent of its current age of around 13.8 billion years. Jarugula also explained why these galaxies, in particular, were chosen by the team to investigate molecular gas in the early Universe:"This galaxy is the most massive galaxy currently known at the time when the Universe was still very young.
Jarugula said:"In this case, it helped us to detect water emission in this massive galaxy. This correlation could be used to develop water as a tracer of star formation, which could then be applied to galaxies on a cosmological scale."
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