A black hole is an astronomical region of spacetime where gravity is so intense that nothing, not even light, can escape. This extreme gravity is the result of a large amount of matter being squeezed into an incredibly small space.
Key Characteristics
Gravity: The gravitational pull is so strong because matter is concentrated in a tiny region.
Event Horizon: This is the boundary around the black hole. Anything that crosses this “point of no return” cannot escape. It is not a physical surface, but a theoretical boundary.
Singularity: At the center of a black hole is a singularity, a point of infinite density and zero volume where all the mass is concentrated.
Invisibility: Because black holes absorb all light, they cannot be observed directly. Astronomers detect them by observing their effects on nearby matter, such as the swirling accretion disk of hot gas around them or the movement of nearby stars.
NASA says – This is how a Black Hole Sounds Like
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