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CygnusX-1
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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
Link: New Scientist
Although, extrapolating from a sample size of one carries with it risks.Stavros Kiri said:I think that's an important observational discovery.
The discovery of the most primitive star-forming galaxy is significant because it provides insight into the early stages of galaxy formation and the processes that led to the creation of the first stars in the universe. This can help us better understand the evolution of galaxies and the universe as a whole.
This galaxy was identified through observations using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope. The galaxy was found to have a high abundance of heavy elements, which is a key indicator of its primitive nature.
Based on its distance from Earth and the current rate of expansion of the universe, scientists estimate that this galaxy existed around 500 million years after the Big Bang, making it one of the oldest and most distant galaxies ever observed.
ALMA played a crucial role in the discovery of this galaxy by allowing scientists to observe the galaxy's high levels of heavy elements, which would have been impossible to detect with previous telescopes. ALMA's high sensitivity and resolution also provided detailed images of the galaxy's structure and star formation activity.
Studying this galaxy can provide valuable insights into the early stages of galaxy formation and the conditions that existed in the universe during that time. It can also help us understand the processes that led to the creation of the first stars and how they evolved over time. This information can contribute to our understanding of the origins of the universe and the formation of galaxies like our own.