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For the past 50 years, black holes have been all the rage. Now, a University of Missouri-Rolla researcher says they never existed. Scientists have long believed that hydrogen fusion generates heat and light in the sun and other ordinary stars for billions of years before a star collapses into a neutron star or black hole when its fuel is exhausted. “Most scientists think neutron stars are dead matter, rather than energized, and might collapse further to form black holes at the center of galaxies,” says Dr. Oliver Manuel, a professor of nuclear chemistry at UMR. “In this scenario, the end game is the end of light as we know it.”
Manuel thinks neutron stars are at the beginning of an astronomical renaissance, so to speak.
In a new paper, arxiv.org/pdf/nucl-th/0511051 , Manuel and his co-authors claim massive neutron stars are the energy source at the center of galaxies. “The neutron stars break up and form smaller stars, which drift apart to form planetary systems,” Manuel says. Manuel is the lead author of the new paper, “On the Cosmic Nuclear Cycle and the Similarity of Nuclei and Stars.”
In the abstract, the authors state, “This cycle involves neither the production of matter in an initial Big Bang, nor the disappearance of matter into black holes.” Since the 1960s, scientists have more or less assumed that black holes populate the center of galaxies. Manuel says that assumption just doesn’t make sense to him. “You should find a hole there, not a huge outpouring of energy and light,” Manuel insists. “If black holes exist at the center of galaxies, stars should be falling in -- instead of explosively moving away from the center.”
According to Manuel, all of the “fragmentation” created by neutron stars and the fission of heavy elements at the centers of galaxies can be explained by “neutron repulsion.” “Neutrons and protons in the nucleus work like the north and south ends of magnets,” Manuel explains. “Neutrons repel neutrons, protons repel protons, but neutrons attract protons. Neutron repulsion is the force that energizes neutron stars. This empirical fact was discovered by five graduate students working with me to decipher the nuclear mass data for the 2,850 known nuclides in the spring of 2000.”
Manuel and the group of UMR graduate students published their findings in 2000 in the Journal of Fusion Energy. Last summer, Manuel and other UMR researchers reported that a small neutron star is at the core of our sun and other ordinary stars. Those conclusions are forthcoming in the Proceedings of the First Crisis in Cosmology Conference by the American Institute of Physics. “The heat, light and hydrogen pouring from these stars are produced by neutron repulsion in their cores,” Manuel says. Furthermore, according to the UMR scientist, our sun once belonged to a larger neutron star that exploded to form the current solar system. He imagines massive neutron stars to be like giant nesting dolls that give birth to smaller stars. “The super massive neutron stars break up and form galaxies of smaller stars, just as the nuclei of the heavy elements break apart,” Manuel says.
In their paper “On the Cosmic Nuclear Cycle and the Similarity of Nuclei and Stars,” Manuel and co-authors Michael Mozina of Emerging Technologies and Hilton Ratcliffe of the Astronomical Society of South Africa argue that neutron repulsion also explains the luminosity of the sun and other ordinary stars. “Additionally, neutron repulsion explains extremely high energy events like quasars, which are
associated with high-density regions of space,” Manuel says. “These were previously attributed to black holes.”
Source: University of Missouri-Rolla
On-line: www.physorg.com/news8658.html
Manuel thinks neutron stars are at the beginning of an astronomical renaissance, so to speak.
In a new paper, arxiv.org/pdf/nucl-th/0511051 , Manuel and his co-authors claim massive neutron stars are the energy source at the center of galaxies. “The neutron stars break up and form smaller stars, which drift apart to form planetary systems,” Manuel says. Manuel is the lead author of the new paper, “On the Cosmic Nuclear Cycle and the Similarity of Nuclei and Stars.”
In the abstract, the authors state, “This cycle involves neither the production of matter in an initial Big Bang, nor the disappearance of matter into black holes.” Since the 1960s, scientists have more or less assumed that black holes populate the center of galaxies. Manuel says that assumption just doesn’t make sense to him. “You should find a hole there, not a huge outpouring of energy and light,” Manuel insists. “If black holes exist at the center of galaxies, stars should be falling in -- instead of explosively moving away from the center.”
According to Manuel, all of the “fragmentation” created by neutron stars and the fission of heavy elements at the centers of galaxies can be explained by “neutron repulsion.” “Neutrons and protons in the nucleus work like the north and south ends of magnets,” Manuel explains. “Neutrons repel neutrons, protons repel protons, but neutrons attract protons. Neutron repulsion is the force that energizes neutron stars. This empirical fact was discovered by five graduate students working with me to decipher the nuclear mass data for the 2,850 known nuclides in the spring of 2000.”
Manuel and the group of UMR graduate students published their findings in 2000 in the Journal of Fusion Energy. Last summer, Manuel and other UMR researchers reported that a small neutron star is at the core of our sun and other ordinary stars. Those conclusions are forthcoming in the Proceedings of the First Crisis in Cosmology Conference by the American Institute of Physics. “The heat, light and hydrogen pouring from these stars are produced by neutron repulsion in their cores,” Manuel says. Furthermore, according to the UMR scientist, our sun once belonged to a larger neutron star that exploded to form the current solar system. He imagines massive neutron stars to be like giant nesting dolls that give birth to smaller stars. “The super massive neutron stars break up and form galaxies of smaller stars, just as the nuclei of the heavy elements break apart,” Manuel says.
In their paper “On the Cosmic Nuclear Cycle and the Similarity of Nuclei and Stars,” Manuel and co-authors Michael Mozina of Emerging Technologies and Hilton Ratcliffe of the Astronomical Society of South Africa argue that neutron repulsion also explains the luminosity of the sun and other ordinary stars. “Additionally, neutron repulsion explains extremely high energy events like quasars, which are
associated with high-density regions of space,” Manuel says. “These were previously attributed to black holes.”
Source: University of Missouri-Rolla
On-line: www.physorg.com/news8658.html
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Thu, September 17, 2009 - 7:00 PMA lot of talk talk talk. I am not seeing any evidence to support this kind of outrages claim. : ((((
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 4:18 AMVery interesting. Sounds reasonable.. But, don't I remember star paths zipping around amazingly fast and extremely close to our galactic center, which is devoid of it's own light, that pretty much conclusively show that the center of our galaxy must be a black hole?
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 12:12 PMI'm certainly not qualified to comment on the merits of the concept, but that said, this was an intertesting read - food for thought.
Thanks for the posting. -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 7:24 PMThe merits of the idea are less than ideal.
Yes, there is a net attractive force between neutrons and protons (the reason atomic nuclei more massive then hydrogen exist), which is not a new idea and in fact it is why people went looking for the strong and weak forces.
Do neutron stars make up the core of ordinary stars? Unlikely, since neutron stars typically mass between 1.3 and 2 solar masses (SM) and are about 10 km in diameter. That means we'd have an atypical (< 1SM) neutron star at the center of the Sun and then have the remaining material of the Sun at a much lower density then observed.
To have a supermassive neutron star as the core of galaxies and then to have that star break-up to create the rest of the stars a the galaxy is pretty much the opposite of what gravity does. That means the theory would require one rework a lot of physics - not very likely to happen.
If one reads the original post, one sees a quick mention that this theory is suppose to be an alternative to the big bang theory for which there is good evidence for.
Please understand, I've not fallowed the link and based my reply on what I read in the original post. If you have read the actual article and it makes a scientifically strong argument for why it is right, please don't flame me.
Troy -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 7:35 PMOk, just read the paper - looks bad with lots of hand waving, no experimental nor the quantum mechanics I would expect in a paper about nuclear processes. -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 9:10 PMYeah, I've posted it to see what others have to say about it.
I am neither supporting, nor objecting that statement. I simply don't know. I haven't got the necessary amount of accumulated knowledge yet. So, thank you Troy for your post.
...
I have 1 credit of research this semester, and we work with neutron stars and black holes, (well, the group; I am just beginning; I am a nobody yet). So, I emailed the paper/article to my professor, who leads the team. Our next seminar is next Tuesday, so we gonna glance at that paper for a few minutes.
I'll let you know what was said. -
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Re: Follow-up on the seminar reply
Thu, September 24, 2009 - 10:03 AMSorry I didn't post earlier.
Well, we've had that seminar on Tuesday and, basically, the answer I received (almost word-in-word), was, "Uhm... well, ... yes, ... there are many opinions on this topic, I agree."
...
Oh well...
P.S. Troy, totally awesome post. Thank you very much. I join everyone here too.
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 18, 2009 - 10:29 PMWet Blanket Larry's obvious question: Do free neutrons repel each other in the first place? -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Sat, September 19, 2009 - 10:40 AMWell, at least it shows me that peer review is alive and well, even when it comes to black holes.
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Tue, September 22, 2009 - 7:46 AM"Wet Blanket Larry's obvious question: Do free neutrons repel each other in the first place? "
First off, I wanted to reply to this days ago but alas tribe.net kept booting me off ever time I tried. So sorry for the delay.
To answer the question: yes and no. Neutrons are fermions, meaning spin 1/2 particles, so the Pauli exclusion rule applies (no two particles can be in the same state, but there is a catch...) which is a type of repulsion. Neutrons also have a magnetic moment, so depending on their spin, +1/2 or -1/2, they can attract neutrons of the opposite spin. The strength of that attraction is distance dependent but is always a factor. Now at short ranges (<10^-17 m), neutrons interact via the weak force and at even shorter distances, the strong force. I don't think there is a simply answer for whether the nuclear forces (strong and weak) are attractive or repulsive for neutrons. Finally one needs to consider the energy of the neutrons; at room temperature the magnetic interaction between free neutrons doesn't matter (to weak) much and they are likely to be close enough for the nuclear forces to be an issue, so they ignore each other. At very low temperatures or under very high pressure, the neutrons can form pairs with no net spin and those pairs are bosons to which the Pauli exclusion principle does not apply much like electrons in a superconductor form Cooper pairs.
Larry, this was a good question and I hope I've given you a helpful answer.
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Tue, September 22, 2009 - 1:46 PMIndeed, the masses involved to achieve the effects observed would have long ago passed the degenerate neutron gas pressure barrier...
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Thu, September 24, 2009 - 8:29 AM@Troy, Thanks for the good post and information.
I thought the strong force was attractive for protons and neutrons.
And, that this attractive force was required to form stable atoms against the repulsive force of protons. -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 25, 2009 - 8:13 AMWell Troy you have got to be right, as usual, neutrons could not stick to neutrons or we would have "atoms" of only neutrons. -
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 25, 2009 - 12:16 PMA lot of the attractive force for holding neutrons in nuclei comes from the fact that they can be exchanged with protons - much like electrons can be exchanged between atoms to form chemical bonds.
From my limited understanding, the strong force mostly holds quarks together to form protons and neutrons, both of those particles are "colorless" and don't interact by the strong force (again my understanding). The weak force does interact with particles of left-handed spin: half of all electrons, protons, and neutrons. Since the weak force is a short range force (10^-17 m), its effects on RT electrons is not important but is the force that holds nuclei together (overcomes charge repulsion between protons).
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Re: Scientist says neutron stars, not black holes, at center of galaxies
Fri, September 25, 2009 - 9:11 PMCurry wrote:
"Well Troy you have got to be right, as usual, neutrons could not stick to neutrons or we would have "atoms" of only neutrons."
If neutron stars really do exist, they may count as macroscopic atoms composed of neutrons only. I'm not sure how interesting the chemistry of of 'neutronium' isotopes would be though.
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