Remotest titanic cosmic structure in early Universe found

Remotest titanic cosmic structure in early Universe found

Remotest titanic cosmic structure in early Universe found

These are normally more well structured with clear concentrations of mass, whereas Hyperion is more uniformly distributed.

Using the VIMOS instrument on the ESO's Very Large Telescope in Chile, the teams - who come from the University of California and the Istituto Nazionale di Astrofisica (INAF) in Bologna - identified a huge proto-supercluster of galaxies forming in the early Universe, just 2.3 billion years after the Big Bang.

Hyperion has a mass one million billion times greater than the sun and is so distant that it is viewed from earth as it looked billions of years ago.

The find surprised astronomers: the colossal mass is similar to the largest structures observed in the universe today, but finding it in the early universe was a shock.

"Usually such structures are known at low redshift, which means that the universe had much more time to develop and create these huge things".

An global team of astronomers using ESO's Very Large Telescope has uncovered a colossal structure in the early universe.

"These are galaxies very far from us, nearly at the beginning of the universe, and allow us to understand better how the universe evolved from the Big Bang until the present day".

The team found that Hyperion has a very complex structure, containing at least seven high-density regions connected by filaments of galaxies, and its size is comparable to superclusters closer to Earth, though it has a very different structure.

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Astronomers suspect Hyperion's unusual structure may be related to its emergence at a time when the universe was still very young.

To obtain this image, the telescope scanned a one square degree of sky in the constellation of Sextans.

It is set to be 100 times more potent than its predecessor, Hubble, and three times larger. Over billions of years, the galaxies will become more centralized as they are bound by gravity.

It formed only about 2.3 billion years after the Big Bang, or more than about 11 billion years ago.

Webb's primary mirror will collect light for the observatory in the scientific quest to better understand our solar system and beyond.

Astronomers believe this may be because superclusters closer to us have had more time than Hyperion to "gather matter together into denser regions". In the local universe, the Virgo and Laniakea Superclusters reign supreme, the latter stretching some 500 million light-years across and containing about 100,000 galaxies, including our own.

'Understanding Hyperion and how it compares to similar recent structures can give insights into how the universe developed in the past and will evolve into the future, and allows us the opportunity to challenge some models of supercluster formation.,' Cucciati said.

"Unearthing this cosmic titan helps uncover the history of these large-scale structures", Cucciati added.

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