Are black holes made of extremely dense matter?

Answer 1

No black holes are more of an absence of matter.

A star collapses under gravity to a point where normal matter is no longer able to exist when it reaches a particular size.

An extreme form of condensed matter where even the atomic nuclei combine is a neutron star.

The current models predict that inside a black hole is a point singularity of infinite curvature and density; however, we can never see inside one, so we cannot know for sure what is inside. If a star is massive enough, it will collapse to the point where space and time as we know it become so distorted that not even light can escape.

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Answer 2

Declan Carroll

Yes, black holes are created when extremely dense matter collapses under the force of its own gravity, creating a region of spacetime from which light is incapable of escaping.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.