What is a singularity?

Answer 1

A singularity is a mathematical concept. In physical universe in doesn't exist. Scientists always formulate mathematical equations to describe physical phenomena. This helps them to understand better and forecast or predict the behavior they are studying. When they Analise those equations some behaves well in all conditions some don't. Whenever some physical parameter goes to infinity that is a singular point. because the equation fails and could not predict the actual value. That doesn't mean the parameter is really infinity. To illustrate this let us take the supersonic flight. When the engineers Analise the equation ate mach = 1 the drag becomes infinity and thus they were hitting a wall. They thought they cant penetrate the sound wall. But in reality they do. Similarly in the astronomy there are several singularities. All of them are as one think. A black hole is an example. It is a singularity because the theory fails. But it is collection of mass with a large gravitational force since this force is proportional to the mass it is very high. If you happened to there you wont find a hole. You will find large junk of mass.

Answer 2

>>>Gravitational singularity<<<<
The spatial singularity is a scientific term for what is popularly known as a black hole. It occurs when matter in our universe is compressed to infinitely small proportions, a mathematical point. When this happens, the gravitational force becomes dominant and causes space-time to fold in on itself, creating the spherical event horizon, which separates the singularity from the rest of the universe.

Because nothing, not even light, can escape from beyond the event horizon, we currently have no information about what this region of the singularity is like. Moreover, the only mathematical properties we can currently apply to a black hole include only mass (measured by the strength of the gravitational pull), volume (calculated in three dimensions using the Schwarzschild Radius), electrical charge, temperature* (see notes), and spin

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Mathematical singularity, a point where a mathematical function goes to infinity or is in certain other ways ill-behaved

Mechanical singularity, a position or configuration of a mechanism or a machine where the subsequent behaviour cannot be predicted, or the forces or other physical quantities involved become infinite or undeterministic

Gravitational singularity, an infinity occurring in an astrophysical model, involving infinite curvature (a mathematical singularity) in the space/time continuum, namely black holes, white holes and worm holes

Technological singularity, a theoretical point in the development of a scientific civilization at which technological progress accelerates into infinity or beyond prediction

Answer 3

The point were the space-time continum ceases to exist at the end of a black hole.

Answer 4

basically its a black hole, white hole, or worm hole...its a place with infinite curvature in space-time