New X-Ray Signals Reveal Wild Activity Around a Black Hole

A team of researchers used the balloon-borne XL-Calibur telescope to capture the most detailed polarized X-ray measurements yet from the black hole Cygnus X-1. These observations reveal new clues about how superheated material swirls, stretches, and glows as it falls toward the black hole’s center. An international team of physicists, including researchers from Washington University […]



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