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5 Giant Black Hole Mergers - How They Were Discovered

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Data from NASA's Chandra X-ray Observatory, the Wide-Field Infrared Sky Explorer Survey (WISE), the ground-based Large Binocular Telescope in Arizona, and the Sloan Digital Sky Survey (SDSS) Mapping Nearby Galaxies at APO (MaNGA) survey were used to discover 5 merging supermassive black holes.

Credit: NASA/CXC/A. Hobart

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