Can Primordial Black Holes explain Galaxy formations

In summary, the paper discusses the possibility that galaxies were formed around primordial black hole seeds, rather than the traditional belief that black holes formed after galaxies. The author presents new data that supports this theory and raises questions about the current understanding of galaxy formation. There is no consensus on this topic among astrophysicists.
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wolram
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This paper https://arxiv.org/pdf/1705.06859.pdf says that PBHs were the start of galaxy formations at up to Z=10 what do you think?

In this connection a natural idea may come to one’s mind, that the SMBH are not created in the galactic halos but, vise versa, galaxies are formed around the (primordial) black hole seeds and not the mass of PBH is determined by the mass of the galaxy-host but the type and mass of the galaxy is determined by the original black hole seed. New data reviewed below strongly support this inverted picture.
 
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The paper says, the galaxies formed around Seed Black holes, This is the opposite of general thinking , This paper makes more sense to me so why do astrophysicists think the opposite is correct?
 
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When you say 'opposite' do you mean the idea that the first matter in the universe became primordial galaxies?,
and then black holes happened later?
I don't think there is any consensus about that.
 
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1. Can Primordial Black Holes explain the formation of galaxies?

This is a commonly asked question in the field of cosmology. Primordial black holes (PBHs) are hypothetical black holes that are thought to have formed in the early universe shortly after the Big Bang. While they have been proposed as a potential explanation for the formation of galaxies, there is currently no conclusive evidence to support this theory.

2. How are primordial black holes formed?

PBHs are believed to have formed during the very early stages of the universe's evolution, when the density of matter was extremely high. It is hypothesized that quantum fluctuations in the density of matter may have caused some regions to become more dense than others, leading to the formation of PBHs.

3. Do primordial black holes still exist?

It is possible that some primordial black holes may still exist in the universe, although they would be very difficult to detect. Due to their small size, PBHs would have evaporated over time through a process called Hawking radiation. However, some theories suggest that PBHs could have merged with other black holes and may still exist in larger forms.

4. What evidence supports the idea of primordial black holes?

Currently, there is no direct evidence for the existence of primordial black holes. However, some scientists have proposed that PBHs could explain the presence of dark matter in the universe. Dark matter is an invisible substance that makes up a significant portion of the universe's mass, and its exact nature is still unknown.

5. Could primordial black holes be responsible for the mysterious fast radio bursts (FRBs)?

Fast radio bursts are brief, intense pulses of radio waves that have been detected from distant galaxies. While the cause of these bursts is still unknown, some scientists have proposed that they could be produced by the merging of primordial black holes. However, this is still a speculative theory and more research is needed to confirm it.

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