A black hole is a region in space where the gravitational force is so strong that nothing, not even light, can escape its pull. This happens because black holes are formed when massive stars collapse under the force of their own gravity, creating an incredibly dense and compact object.
The point of no return around a black hole is called the event horizon, which is the boundary beyond which nothing can escape. Once an object passes the event horizon, it is said to be “captured” by the black hole and is pulled towards its center, known as the singularity. At the singularity, the gravitational forces become infinitely strong and the laws of physics as we know them break down.
Black holes are classified into three types based on their size: stellar, intermediate, and supermassive. Stellar black holes have masses of up to 20 times that of the sun and are formed from the collapse of a single massive star. Intermediate black holes have masses between 100 and 100,000 times that of the sun and are thought to form through the merging of smaller black holes or the collapse of clusters of stars. Supermassive black holes have masses of millions or billions of times that of the sun and are found at the centers of most galaxies, including our own Milky Way.
Despite their name, black holes are not actually empty space but contain matter that has been compressed to an incredibly high density. They are also not “holes” in the traditional sense, but rather a region of space where the laws of physics as we know them break down.
The study of black holes is an active area of research in astrophysics and cosmology, and they are important for understanding the structure and evolution of the universe. Read more about School Analytics.