Schwarzschild black hole

A Schwarzschild black hole is a simple type of black hole formed when a massive star collapses under its own gravity after exhausting its fuel. It is characterized by having mass concentrated at a single point called a singularity, surrounded by an invisible boundary called the event horizon. Once anything crosses this boundary, it cannot escape. The Schwarzschild black hole has no charge or rotation, making it the simplest model. Its intense gravity warps space and time, creating a region where gravity is so strong that even light cannot escape, effectively rendering it invisible.