The Most Primitive Star-Forming Galaxy Ever Found

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SUMMARY

The recently discovered galaxy in the constellation Lynx, located 620 million light-years away, exhibits the lowest oxygen abundance ever recorded in a star-forming galaxy. This finding positions it as an optimal site for studying the primordial chemical elements formed during the Big Bang. Notably, this galaxy has produced 80 percent of its stars in the last few million years, with the hottest stars emitting radiation that reionized the universe shortly after the Big Bang. This discovery is significant for understanding the evolution of galaxies and the early universe.

PREREQUISITES
  • Understanding of star formation processes
  • Familiarity with cosmic chemical evolution
  • Knowledge of the Big Bang theory
  • Basic astronomy terminology
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  • Research the chemical composition of early galaxies
  • Study the processes of star formation in low-metallicity environments
  • Explore the implications of reionization on cosmic evolution
  • Investigate observational techniques for detecting distant galaxies
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Astronomers, astrophysicists, and students of cosmology interested in the formation and evolution of galaxies, as well as those studying the early universe and its chemical makeup.

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Lying 620 million light-years away, this galaxy has the lowest oxygen abundance ever seen in a star-forming galaxy.

Link: New Scientist
 
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Astronomy news on Phys.org
Interesting! From the article:

"A small galaxy in the constellation Lynx that only recently started making stars has the lowest level of oxygen ever seen in a star-forming galaxy. That makes it the best place yet to probe the chemical elements cooked up by the big bang."
and
"the newly found galaxy spawned 80 per cent of its stars in just the past few million years. The hottest of these stars emit the same kind of blistering radiation that reionised the universe shortly after the big bang. The galaxy serves as a surrogate for the galaxies we can’t yet see that transformed the entire cosmos some 13 billion years ago."

I think that's an important observational discovery.
 
Stavros Kiri said:
I think that's an important observational discovery.
Although, extrapolating from a sample size of one carries with it risks.
 
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Likes   Reactions: |Glitch|

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