The boundary beyond which nothing, not even light, can escape from a black hole

The center of a black hole where all matter is concentrated

The region of spacetime where the gravitational pull is so strong that nothing can escape

The point of no return for objects falling into a black hole

Albert Einstein

Hermann Schwarzschild

Karl Schwarzschild

David Hilbert

A mathematical description of the geometry of spacetime around a spherically symmetric, non-rotating black hole

A mathematical description of the geometry of spacetime around a rotating black hole

A mathematical description of the geometry of spacetime around a charged black hole

A mathematical description of the geometry of spacetime around a black hole with a cosmological constant

It is the radius of the event horizon of a black hole

It is the radius of the singularity at the center of a black hole

It is the radius of the region of spacetime where the gravitational pull is so strong that nothing can escape

It is the radius of the region of spacetime where time dilation becomes infinite

It is stretched and compressed by the gravitational forces

It is crushed into a singularity at the center of the black hole

It is vaporized by the intense heat and radiation

It is ejected from the black hole with a high velocity

A point of infinite density and gravity

A point of infinite curvature of spacetime

A point where the laws of physics break down

A point where time and space cease to exist

Yes, through Hawking radiation

No, information is lost forever

It depends on the size of the black hole

It depends on the mass of the black hole

A two-dimensional representation of the geometry of spacetime around a black hole

A three-dimensional representation of the geometry of spacetime around a black hole

A four-dimensional representation of the geometry of spacetime around a black hole

A five-dimensional representation of the geometry of spacetime around a black hole

An extension of the Schwarzschild metric that covers the entire spacetime of a black hole

An extension of the Schwarzschild metric that covers the region inside the event horizon

An extension of the Schwarzschild metric that covers the region outside the event horizon

An extension of the Schwarzschild metric that covers the region near the singularity

It represents a region of spacetime where matter and energy are expelled from a singularity

It represents a region of spacetime where matter and energy are pulled into a singularity

It represents a region of spacetime where time flows in the opposite direction

It represents a region of spacetime where the laws of physics are reversed

The Kerr metric is a generalization of the Schwarzschild metric for a rotating black hole

The Schwarzschild metric is a generalization of the Kerr metric for a non-rotating black hole

The Kerr metric is a special case of the Schwarzschild metric for a black hole with zero angular momentum

The Schwarzschild metric is a special case of the Kerr metric for a black hole with infinite angular momentum

The region of spacetime around a black hole where objects can be dragged along by the black hole's rotation

The region of spacetime around a black hole where objects can escape from the black hole's gravitational pull

The region of spacetime around a black hole where time flows in the opposite direction

The region of spacetime around a black hole where the laws of physics are reversed

A process by which energy can be extracted from a rotating black hole

A process by which matter can be ejected from a black hole

A process by which information can be recovered from a black hole

A process by which the singularity at the center of a black hole can be avoided

A process by which energy can be extracted from a rotating black hole

A process by which matter can be ejected from a black hole

A process by which information can be recovered from a black hole

A process by which the singularity at the center of a black hole can be avoided