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Can a black hole exist without an event horizon?

Can a black hole exist without an event horizon?

In general relativity, a naked singularity is a hypothetical gravitational singularity without an event horizon. In a black hole, the singularity is completely enclosed by a boundary known as the event horizon, inside which the gravitational force of the singularity is so strong that light cannot escape.

Do gentle black holes exist?

No, there is no such thing. You have rotational and non rotational black holes, that can be basically 3 solar masses and above. If singularities are proven to exist at all they would be spherical or ring shaped. But there would be nothing gentle about them.

Is it theoretically possible to escape a black hole?

According to Einstein’s general theory of relativity, the gravity of a black hole is so intense that nothing can escape it.

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Why can’t naked singularities exist?

Evaporating black holes are naked singularities since they are not fully concealed by their event horizon. Unfortunately, the radiation is too weak to be detectable for astrophysical black holes more massive than three suns with horizon size bigger than the length of Manhattan.

Do singularities exist?

A singularity is a point in space where there is a mass with infinite density. Singularities are predicted to exist in black holes by Einstein’s theory of general relativity, which is a theory that has done remarkably well at matching experimental results.

How would Naked Singularity look like?

When a naked singularity is objectlike, it looks rather like a black hole unclothed by a horizon (hence the name). A swirling disk of matter would form around it, and my colleagues and I recently showed that the disk would be much brighter than the equivalent around a black hole.

What is the difference between a singularity and a black hole?

This is the big bang. Therefore, the main difference is that a black hole singularity is the end of space time (and pulls matter in) and the big bang singularity is the beginning of space time (where matter and space were made ‘real’).

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What is the scientific definition of singularity?

The technological singularity (also, simply, the singularity) is the hypothetical moment when the invention of artificial superintelligence (ASI) will abruptly trigger runaway technological growth, resulting in unfathomable changes to human civilization.

What is singularity in astronomy?

In general, you can think of singularities in astronomy as locations in space-time where many quantities related to gravity becomes infinite and you are not able to predict motion of a particle at that point. (basically your physics breaks down) In Astronomy, there are five places you might encounter singularity.

What is a singularity space?

A gravitational singularity or spacetime singularity is a location where the quantities that are used to measure the gravitational field become infinite in a way that does not depend on the coordinate system. These quantities are the scalar invariant curvatures of spacetime, which includes a measure of the density of matter.