Scientists mapped dark matter around galaxies in the early universe

A technique used to reveal dark matter could also shed light on a disagreement about the clumpiness of matter in the cosmos.

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Germany ,Nagoya ,Aichi ,Japan ,Chile ,Hawaii ,United States ,Hendrik Hildebrandt ,Risa Wechsler ,Hironao Miyatake ,Nagoya University ,Stanford University ,Ruhr University Bochum ,Subaru Telescope ,Rubin Observatory ,