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Are black holes dense?

Are black holes dense?

A black hole is an extremely dense object in space from which no light can escape.

What is more dense than a black hole?

To the best of our present knowledge, nothing is denser than a black hole. However, it is also the realm of the unknown, so for all we know there may be—probably are—unknown elements in a black hole. It could be like ice, which is not as dense as water.

How dense is a black hole compared to Earth?

Typically, M for a black hole in our galaxy is around 10 times the mass of the Sun, but for supermassive black holes at the centers of galaxies it can be millions or even billions. What is its density?…Density of Black Holes.

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Material ρ / g/cm3
Earth’s atmosphere 0.0012
Aerogel 0.001 − 0.002
Styrofoam 0.030 − 0.120
Cork 0.220 − 0.260

How can black holes be so dense?

Black holes are expected to form when a massive star dies. After the star’s nuclear fuel is exhausted, its core collapses to the densest state of matter imaginable, a hundred times denser than an atomic nucleus. That’s so dense that protons, neutrons and electrons are no longer discrete particles.

Why are black holes so heavy?

Why they are so incredibly massive isn’t known, but astronomers are pretty sure their development is linked to their presence at the center of their galaxy. There are so many stars and so much gas and dust that the black hole can grow large very quickly. No single star could ever form such a heavy black hole.

Do black holes vary in density?

Do all black holes have the same density? – Quora. They do not. There is an inverse correlation between a black hole’s mass and its volume, so the more massive a black hole gets, the lower its average density becomes.

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Do black holes get bigger or smaller?

Black holes do get bigger when they absorb matter from other corpses. According to Schwarzchild Radius equation, the more mass you get, more your radius increases; one is proportional to the other.

How do you calculate the density of a black hole?

You can use the Schwarzschild radius to calculate the “density” of the black hole – i.e., the mass divided by the volume enclosed within the Schwarzschild radius. This is roughly equal to (1.8×10 16 g/cm 3) x (M sun / M) 2, where M is defined as above.

Do black holes get bigger when they eat material?

Yes. The late physicist Stephen Hawking proposed that while black holes get bigger by eating material, they also slowly shrink because they are losing tiny amounts of energy called “Hawking radiation.” Hawking radiation occurs because empty space, or the vacuum, is not really empty.

What happens at the center of a black hole?

What that really means is that the theory of relativity breaks down at this point, and no one knows what happens at the center of a black hole – we would need a viable theory of quantum gravity in order to understand this.

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What is the most distant black hole ever seen?

What is the most distant black hole ever seen? The most distant black hole ever detected is located in a galaxy about 13.1 billion light-years from Earth. (The age of the universe is currently estimated to be about 13.8 billion years, so this means this black hole existed about 690 million years after the Big Bang.)