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Jaclyn Champagne, JASPER Postdoctoral Researcher, University of Arizona

Why are some black holes bigger than others? An astronomer explains how these celestial vacuums grow

Black holes use gravity to pull matter into them. NASA/Chandra X-ray Observatory/M.Weiss via AP

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected].

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