https://scitechdaily.com/nasa-tracking-supermassive-black-holes-on-collision-course/
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3/17/23 at 8:18am
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NASA’s Chandra X-ray Observatory helped identify two pairs of dwarf galaxies on track to merge. Dwarf galaxies, which are at least about 20 times less massive than the Milky Way, likely formed larger galaxies through collisions in the early Universe. These ne…
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