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Scientists use mismatch in telescopic data to get a handle on quasars and their 'tails'

Scientists have determined the properties of ionized jets of matter ejected by supermassive black holes in active galactic nuclei. They analyzed unexpected discrepancies between the data of high-precision observations conducted by an international network of radio telescopes and that of Gaia—a space observatory of the European Space Agency equipped with optical telescopes.
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