A monster galaxy dating back to the early days of the Universe was found in a new study.

The galaxy lived fast and died young,  the XMM-2599 existed 12 billion years ago. Even before the Universe was 2 billion years old, this galaxy was formed. A mass of more than 300 billion suns and stars making it an ultramassive galaxy ever found. The study shows that the XMM-2599 formed most of its stars at a fast and furious pace when the Universe was less than 1 billion years old. and then became inactive by the time, the Universe was 1.8 billion years old. According to the lead study, the galaxy was able to create 1,000 solar masses of stars within a year. This was a remarkable rate of star formation when contrasted with our own galaxy and the Milky Way, producing one new star a year. 

Researchers' hypothesis is that XXM-2599 may be a descendant of a population of high forming dusty galaxies in the early Universe. With the new infrared telescopes, they have been discovering new and far more distant galaxies and stars. Astronomers are not sure how the monster galaxy was formed. It is unusual to other known galaxies in size and should still be forming stars. That is why XMM-2599 is so interesting because it is no longer forming stars, perhaps it stopped getting fuel or reached a black hole phase, and maybe they just caught her sleeping. Galaxies don't lose mass, she is just not making stars anymore. Astronomers can only guess what will happen to XMM-2599. She could be pulled into an attractive nearby star-forming galaxy and become a bright city of galaxies. Or perhaps following 11.7 billion years of cosmic history, she may become a central galaxy member of one of the brightest, most massive clusters in a local universe, or she can continue to exist in isolation.

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Phone: 915-603-7367
Dated: February 5th 2020
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