A pile-up of 14 distant galaxies is set make thousands of new stars


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Los Angeles: It’s a cosmic pile-up in the far reaches of the universe and nothing like it has ever been seen before.


Using the most powerful telescopes on Earth, astronomers have spotted 14 burning-hot galaxies hurtling toward each other on an inevitable galactic collision course at the edge of the observable universe.


An artist impression of the 14 galaxies detected by ALMA as they appear in the very early, very distant universe. These galaxies are in the process of merging and will eventually form the core of a massive galaxy cluster.

An artist impression of the 14 galaxies detected by ALMA as they appear in the very early, very distant universe. These galaxies are in the process of merging and will eventually form the core of a massive galaxy cluster.


Photo: S.Dagnello/NRAO

Computer models show that when these galaxies do collide they will form the core of a colossal galaxy cluster so large it will be the most massive structure known in the cosmos.


This chaotic, energy-filled region, described on Wednesday in Nature, is called a protocluster, and researchers say it is more active than any other section of the universe they have ever observed.


“There are huge energetics involved, like 10,000 supernova going off at a time, quite literally,” said Scott Chapman, a physicist at Dalhousie University in Halifax, Canada, who worked on the study.


Article source: https://www.smh.com.au/entertainment/music/at-last-more-women-in-music-festivals-lineups-as-crowds-become-female-dominated-20180419-h0yytp.html?utm_medium=rss&utm_source=rss_feed

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