A solution to the Einstein field equations describing the geometry of spacetime around a charged black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a rotating black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a Schwarzschild black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a Kerr black hole.

Mass and charge.

Mass and angular momentum.

Charge and angular momentum.

Mass, charge, and angular momentum.

The boundary beyond which nothing, not even light, can escape.

The boundary beyond which nothing, not even information, can escape.

The boundary beyond which nothing, not even matter, can escape.

The boundary beyond which nothing, not even energy, can escape.

A point of infinite density and curvature.

A point of infinite mass and charge.

A point of infinite temperature and entropy.

A point of infinite pressure and volume.

The region outside the event horizon where objects can be dragged around the black hole by its rotation.

The region outside the event horizon where objects can be dragged around the black hole by its charge.

The region outside the event horizon where objects can be dragged around the black hole by its gravity.

The region outside the event horizon where objects can be dragged around the black hole by its magnetic field.

The boundary beyond which the spacetime manifold becomes incomplete.

The boundary beyond which the spacetime manifold becomes singular.

The boundary beyond which the spacetime manifold becomes non-Hausdorff.

The boundary beyond which the spacetime manifold becomes non-orientable.

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

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

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

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

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

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

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

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

A solution to the Einstein field equations describing the geometry of spacetime around a rotating and charged black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a rotating black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a charged black hole.

A solution to the Einstein field equations describing the geometry of spacetime around a Schwarzschild black hole.

Mass, charge, and angular momentum.

Mass, charge, and magnetic moment.

Mass, angular momentum, and magnetic moment.

Charge, angular momentum, and magnetic moment.

The boundary beyond which nothing, not even light, can escape.

The boundary beyond which nothing, not even information, can escape.

The boundary beyond which nothing, not even matter, can escape.

The boundary beyond which nothing, not even energy, can escape.

A point of infinite density and curvature.

A point of infinite mass and charge.

A point of infinite temperature and entropy.

A point of infinite pressure and volume.

The region outside the event horizon where objects can be dragged around the black hole by its rotation.

The region outside the event horizon where objects can be dragged around the black hole by its charge.

The region outside the event horizon where objects can be dragged around the black hole by its gravity.

The region outside the event horizon where objects can be dragged around the black hole by its magnetic field.

The boundary beyond which the spacetime manifold becomes incomplete.

The boundary beyond which the spacetime manifold becomes singular.

The boundary beyond which the spacetime manifold becomes non-Hausdorff.

The boundary beyond which the spacetime manifold becomes non-orientable.

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

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

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

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

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

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

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

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