Scientists spot merging galaxies from 13 billion years ago
{{#rendered}} {{/rendered}}Scientists have located one of the most distant examples of merging galaxies in results that were published this week.
Researchers in Japan observed a distant source of light known as B14-65666, located in the constellation known as Sextans, using the Atacama Large Millimeter/submillimeter Array of telescopes in Chile.
Their data suggested that the object could be a single galaxy forming new stars as the result of a collision in space.
{{#rendered}} {{/rendered}}Prior observations with the Hubble Space Telescope had revealed two star clusters in B14-65666.
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An artist’s impression of merging galaxies known as B14-65666 some 13 billion light-years away. (National Astronomical Observatory of Japan)
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{{#rendered}} {{/rendered}}Takuya Hashimoto, a postdoctoral researcher at the Japan Society for the Promotion of Science and Waseda University, Japan, explained that the signals received from the constellation had to travel 13 billion light-years to reach them.
That means researchers can examine what the galaxy looked like 13 billion years ago, or less 1 billion years after the Big Bang.
“Detection of radio waves from three components in such a distant object clearly demonstrates ALMA’s high capability to investigate the distant universe," Hashimoto said in a press release.
{{#rendered}} {{/rendered}}Scientists will continue to use this type of research to explore the origins of our universe.
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“The very early universe seems like a very exciting time to be a galaxy, with lots of violent collision and nothing that looks like the ordered structures we’re used to at later times,” Dan Marrone, associate professor at the University of Arizona, told Gizmodo.