3.3-Billion-Light-Year-Long Arc of Galaxies Discovered

An international team of astronomers from the United States and the United Kingdom has made the discovery of a giant, almost symmetrical arc of galaxies by looking at absorption lines in the spectra towards quasars from the Sloan Digital Sky Survey (SDSS). The newly-discovered arc of galaxies is located more than 9.2 billion light-years away […]
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