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Space

An infographic showing the formation process of a black hole with a star collapsing into a dark central point.

What is a Black Hole? Formation, Types, and Event Horizon

Black holes are astronomical objects where gravity is so intense that, once something crosses a certain boundary, it cannot return. They are not empty “holes” in space. They are regions where mass is packed so tightly that spacetime bends in extreme ways, shaping how matter and light move nearby. This guide explains what a black hole is, how it can form, the main types astronomers…