How big is the singularity of a supermassive black hole?

But when astrophysicists refer to a singularity in the context of a black hole, they mean a point at the center, which is to say its size is exactly zero.

Is the singularity of a black hole infinitely small?

You’re absolutely correct that at the crux of every black hole is an entity called a singularity, which is something of infinite density – a huge amount of mass piled into functionally zero space.

Do all black holes have the same size event horizon?

No! Different black holes are of different sizes. The size of black hole depends on the size of its parent stars. If the parent star is very massive than its resultant black hole is also massive enough.

What is the relationship between the mass and the size of a black hole?

The radius of a black hole is related to its mass by the simple formula R = 3 M ,where M is the mass of the black hole in units of the sun’s mass, and R is the radius of the Event Horizon in kilometers.

Do black holes have different sizes?

Black holes come in many sizes and their size depends on how much material is in them (their mass). A star has to be much more massive than our Sun to become a black hole. These types of black holes are only a few miles across. Black holes have also been discovered in the centers of some galaxies.

How small is the singularity in a black hole?

one-dimensional
In the center of a black hole is a gravitational singularity, a one-dimensional point which contains a huge mass in an infinitely small space, where density and gravity become infinite and space-time curves infinitely, and where the laws of physics as we know them cease to operate.

Are black holes infinitely big?

A black hole has an infinite density; since its volume is zero, it is compressed to the very limit.

Are all singularities the same size?

Regardless of being a singularity or not, the mass is determined by how much mass you stuff into your black hole. Hence black holes of arbitrary total mass can exist, until Hawking radiation brings it back to zero mass. The singularity probably does not exist, as GR likely breaks down at those size / energy scales.

Can you measure the diameter of a black hole?

An international team of scientists working with the Event Horizon Telescope project have been able to measure the radius of a black hole for the first time. A supermassive black hole that’s 50 million light years away and is 6 billion times more massive than the Sun.

How large can black holes get?

It has a diameter of about 78 billion miles. For perspective, that’s about 40\% the size of our solar system, according to some estimates. And it’s estimated to be about 21 billion times the mass of our sun. So there you have it, black holes can be millions of times larger than suns and planets or as small as a city.

Are all black holes singularities?

In the real universe, no black holes contain singularities. In general, singularities are the non-physical mathematical result of a flawed physical theory. A singularity is a point in space where there is a mass with infinite density.

What is the density of a black hole’s singularity?

All black holes have a singularity that has no size, no space or time. These break down and become meaningless at the singularity. Since space is meaningless, so is density. It only has mass.

What determines the size of a black hole’s event horizon?

All black holes have a singularity that has no size, no space or time. These break down and become meaningless at the singularity. Since space is meaningless, so is density. It only has mass. The amount of matter that has fallen into the black hole determines its mass. The more mass/matter a singularity has the larger its event horizon.

What is a black hole made up of?

A typical black hole is the result of the gravitational force becoming so strong that one would have to travel faster than light to escape its pull. Such black holes generically contain a spacetime singularity at their center; thus we cannot fully understand a black hole without also understanding the nature of singularities.

Is there such thing as a singularity?

General relativity, Einstein’s theory of space, time, and gravity, allows for the existence of singularities. On this nearly all agree. However, when it comes to the question of how, precisely, singularities are to be defined, there is widespread disagreement.