A black hole is a region of space where gravity is so strong that nothing, not even light, can escape. Black holes can form from the collapse of stars, or from the merger of smaller black holes. Black holes can have a range of sizes, from microscopic to supermassive. Black holes can affect the surrounding space in various ways, such as warping the fabric of space-time, creating gravitational waves, or swallowing matter and energy. Black holes can also grow by consuming other black holes, stars, or galaxies, and become more powerful and destructive.
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