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After nearly 20 years, the record of the most distant radio galaxy ever discovered has been broken. A team led by Ph.D. student Aayush Saxena (Leiden Observatory, the Netherlands) has found a radio galaxy from a time when the universe was only 7 percent of its current age, at a distance of 12 billion light-years.
The team used the Giant Meter-wave Radio Telescope (GMRT) in India to initially identify the radio galaxy. The distance to this galaxy was then determined using the Gemini North telescope in Hawaii and the Large Binocular Telescope in Arizona by measuring the redshift of the galaxy.
The redshift of z = 5.72 means that the galaxy is perceived as it looked when the universe was only a billion years old. This also means that the light from this galaxy is almost 12 billion years old. The team consists of astronomers from the Netherlands, Brazil, the United Kingdom and Italy. The study announcing these results has been accepted for publication in the Monthly Notices of the Royal Astronomical Society.
(Score: 0) by Anonymous Coward on Friday August 10 2018, @05:58PM
Space is, as the name implies, largely empty... space.