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See
http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli |
#2
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![]() Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. Like all computers, the big simulator doesn't like working with infinities! Double-A |
#3
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Double-A wrote:
Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. Like all computers, the big simulator doesn't like working with infinities! Doesn't that prove to be a bit of a problem for just about everything in phyics, then? The entire subject is built around 'Deperately seeking THE perfect convergence'. RL Double-A |
#4
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"Double-A" ha scritto nel messaggio
oups.com... Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. I agree, maybe more massive than a neutron star but without a singularity, so no wormholes to think about... Like all computers, the big simulator doesn't like working with infinities! You're right, a black hole can drive the Big Computer into a stack overflow... Luigi Caselli |
#5
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![]() "Ra?ï?g L???i?" ha scritto nel messaggio ups.com... Double-A wrote: Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. Like all computers, the big simulator doesn't like working with infinities! Doesn't that prove to be a bit of a problem for just about everything in phyics, then? The entire subject is built around 'Deperately seeking THE perfect convergence'. Only black holes can destroy the space structure, other infinities in physics are not so problematic... In a black hole you must have different mathematics, physics and so on. Really to weird for the Big Computer... IMHO there must be some effect (I'm thinking about something lik dark energy repulsion at small scale) avoiding infinite collapsing even for a supermassive star. Luigi Caselli |
#6
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Luigi Caselli wrote:
"Double-A" ha scritto nel messaggio oups.com... Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. I agree, maybe more massive than a neutron star but without a singularity, so no wormholes to think about... Like all computers, the big simulator doesn't like working with infinities! You're right, a black hole can drive the Big Computer into a stack overflow... ....Not just that! Use an inappropriate discrete difference equation for doing the integration and it may not converge as expected. RL Luigi Caselli |
#7
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![]() Luigi Caselli wrote: "Ra?ï?g L???i?" ha scritto nel messaggio ups.com... Double-A wrote: Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. Like all computers, the big simulator doesn't like working with infinities! Doesn't that prove to be a bit of a problem for just about everything in phyics, then? The entire subject is built around 'Deperately seeking THE perfect convergence'. Only black holes can destroy the space structure, other infinities in physics are not so problematic... In a black hole you must have different mathematics, physics and so on. Really to weird for the Big Computer... IMHO there must be some effect (I'm thinking about something lik dark energy repulsion at small scale) avoiding infinite collapsing even for a supermassive star. Luigi Caselli Yes, dark energy could play a role. Note this ressponse by astrophysicist Steve Carlip to my question a while back: "Double-A wrote: I was wondering if it could be said to always be the case that once the event horizons of two black holes join in any way, even to form a neck, that the two black holes can never again be separated? That from that moment on, merger is inevitable? Yes, at least within standard general relativity (and provided that there's no negative energy around to mess things up). This is a consequence of work by Hawking on the general behavior of black holes. If you want an exact technical reference, see Theorem 12.2.1 in Wald's textbook, _General Relativity_. Steve Carlip" http://groups.google.com/group/sci.p...329e5e8?hl=en& Notice that he is mindful of the effect of dark energy on black hole objects. There you go, Luigi! Great minds think alike! Double-A |
#8
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Hi Luigi Reality is there are more neutron stars than BH Good guess
would be three times as many. Fact is fast rotation could mean a neutron star over a BH. that fits well with my "Spin is in theory" After all we know motion and gravity are equivalent. bert |
#9
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Hi Luigi,and Double-A Why can't we think along with infinites? Why
must there be an end? Hydrogen atoms last trillion trillion trillion trillion etc of years. What does a computer say about that? Where does spacetime end? We read this in every book. It is stated in GR that the universe began in a state of 'infinite" matter density,energy and temperature. We have a dilemma in the quantum field theory,for it predicts that certain quantities such as mass and charge of the electron were "infinite" Hmmmm So along came Feynman and two other guys,and they subtract out the "infinites" This is called "renormalization" (I call it fudging) Feynman got his Nobel out of this. However he claimed he did "hocus-pocus" math To be funny he use to claim he got the Nobel for "sweeping some infinites under the rug" Go figure Best to tell me where an EM wave comes to an end?? If you can I'll believe only finite is in. Bert. .. |
#10
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Luigi Caselli wrote:
"Ra?ï?g L???i?" ha scritto nel messaggio ups.com... Double-A wrote: Luigi Caselli wrote: See http://chandra.harvard.edu/photo/2005/wd1/ http://www.nasa.gov/centers/marshall...05/05-171.html Maybe something like dark energy repulsion avoid the black hole creation? Luigi Caselli I think that all objects currently thought to be black holes will turn out to be something similar to neutron stars. Like all computers, the big simulator doesn't like working with infinities! Doesn't that prove to be a bit of a problem for just about everything in phyics, then? The entire subject is built around 'Deperately seeking THE perfect convergence'. Only black holes can destroy the space structure, other infinities in physics are not so problematic... Oh? ... No reason to worry about Unified field theories or Universal constants, then ... Might as well chuck out Conservation laws while you are at it, too. In a black hole you must have different mathematics, physics and so on. Really to weird for the Big Computer... IMHO there must be some effect (I'm thinking about something lik dark energy repulsion at small scale) avoiding infinite collapsing even for a supermassive star. Luigi Caselli |
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