|
|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
Detection of the effect of cosmological large-scale structure on the orientation of galaxies
http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 |
#2
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
"Sam Wormley" wrote in message news:6H%Yf.82075$oL.35169@attbi_s71... Detection of the effect of cosmological large-scale structure on the orientation of galaxies http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 I beat ya to it! |
#3
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
"Sam Wormley" wrote in message news:gW%Yf.82099$oL.27775@attbi_s71... atm2020 wrote: "Sam Wormley" wrote in message news:6H%Yf.82075$oL.35169@attbi_s71... Detection of the effect of cosmological large-scale structure on the orientation of galaxies http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 I beat ya to it! Bless your heart. Ya right, as if anyone is interested in this. |
#4
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
Sam Wormley wrote: Detection of the effect of cosmological large-scale structure on the orientation of galaxies http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 Sam Albert thought that light leaving stars would go to waste so he bent the universe to stop it from happening,it is truly hilarious with nobody laughing. " This conception is in itself not very satisfactory. It is still less satisfactory because it leads to the result that the light emitted by the stars and also individual stars of the stellar system are perpetually passing out into infinite space, never to return, and without ever again coming into interaction with other objects of nature. Such a finite material universe would be destined to become gradually but systematically impoverished. " http://www.bartleby.com/173/30.html This is what happens when a bunch of astrophotographers take charge of an astronomical heritage.Personally I find Albert's reasons for 'warped space' to be the funniest piece of literature ever written and light relief from the intricacies of the real problem back at Newton and Flamsteed. I suppose you think these astrophotographers care what you post,they care about clouds,wind,rain and anything that might spoil their celestial sphere peep show. |
#5
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
Do you not like Albert's reasons for 'curving the universe' in
1920,before galactic structures were discovered. I really enjoy Albert's rejection of galactic structures and especially as he uses Newton as a basis for that rejection. - "This view is not in harmony with the theory of Newton. The latter theory rather requires that the universe should have a kind of centre in which the density of the stars is a maximum, and that as we proceed outwards from this centre the group-density of the stars should diminish, until finally, at great distances, it is succeeded by an infinite region of emptiness. The stellar universe ought to be a finite island in the infinite ocean of space." http://www.bartleby.com/173/30.html I told you that the early 20th century relativistic ideas are genuinely funny for a real astronomer as a really exotic expansion of the original Newtonian errors and especially when you understand what Isaac was really doing. Btw,Newton never pondered a center,universal or otherwise so whatever Albert imagined in that passage above,it has nothing whatsoever to do with Newton - "Cor. 2. And since these stars are liable to no sensible parallax from the annual motion of the earth, they can have no force, because of their immense distance, to produce any sensible effect in our system. Not to mention that the fixed stars, every where promiscuously dispersed in the heavens, by their contrary actions destroy their mutual actions, by Prop. LXX, Book I." Newton My views are from the era of Copernicus and Kepler,their working astronomical principles are a joy to behold for those who get beyond the initial unfamiliarity and it does not take long before the cracks in the empirical system start to emerge.While relativistic conceptions are just plain funny,the Newtonian/Flamsteed working principles are far harder to root out for they have a useful side. I do not pity you,if you wish to pay homage to the 17th century guys who were really only interested in finding terrestial longitudes by whatever means then good for you,but astronomy it ain't. |
#6
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
oriel36 wrote:
Sam Wormley wrote: Detection of the effect of cosmological large-scale structure on the orientation of galaxies http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 Sam Albert thought that light leaving stars would go to waste so he bent the universe to stop it from happening,it is truly hilarious with nobody laughing. " This conception is in itself not very satisfactory. It is still less satisfactory because it leads to the result that the light emitted by the stars and also individual stars of the stellar system are perpetually passing out into infinite space, never to return, and without ever again coming into interaction with other objects of nature. Such a finite material universe would be destined to become gradually but systematically impoverished. " http://www.bartleby.com/173/30.html This is what happens when a bunch of astrophotographers take charge of an astronomical heritage.Personally I find Albert's reasons for 'warped space' to be the funniest piece of literature ever written and light relief from the intricacies of the real problem back at Newton and Flamsteed. I suppose you think these astrophotographers care what you post,they care about clouds,wind,rain and anything that might spoil their celestial sphere peep show. I like to find objects (or their companions) that I've read about. It enhances my sense of connectedness. I've often pointed out to others... That's the companion of Cygnus X-1.. or that star went nova some years ago... or this star has at least one detected extra solar planet. And now I know that some spiral galaxy orientations are part of a bigger pattern! They may not be visually significant or even interesting... but finding and identifying those, involved in a discovery of some kind, is very satisfying. |
#7
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
Sam Wormley wrote: oriel36 wrote: Sam Wormley wrote: Detection of the effect of cosmological large-scale structure on the orientation of galaxies http://xxx.lanl.gov/abs/astro-ph/0511680 Galaxies are not distributed randomly throughout space but are instead arranged in an intricate "cosmic web" of filaments and walls surrounding bubble-like voids. There is still no compelling observational evidence of a link between the structure of the cosmic web and how galaxies form within it. However, such a connection is expected on the basis of our understanding of the origin of galaxy angular momentum: disk galaxies should be highly inclined relative to the plane defined by the large-scale structure surrounding them. Using the two largest galaxy redshift surveys currently in existence (2dFGRS and SDSS) we show at the 99.7% confident level that these alignments do indeed exist: spiral galaxies located on the shells of the largest cosmic voids have rotation axes that lie preferentially on the void surface. See: http://xxx.lanl.gov/abs/astro-ph/0511680 Sam Albert thought that light leaving stars would go to waste so he bent the universe to stop it from happening,it is truly hilarious with nobody laughing. " This conception is in itself not very satisfactory. It is still less satisfactory because it leads to the result that the light emitted by the stars and also individual stars of the stellar system are perpetually passing out into infinite space, never to return, and without ever again coming into interaction with other objects of nature. Such a finite material universe would be destined to become gradually but systematically impoverished. " http://www.bartleby.com/173/30.html This is what happens when a bunch of astrophotographers take charge of an astronomical heritage.Personally I find Albert's reasons for 'warped space' to be the funniest piece of literature ever written and light relief from the intricacies of the real problem back at Newton and Flamsteed. I suppose you think these astrophotographers care what you post,they care about clouds,wind,rain and anything that might spoil their celestial sphere peep show. I like to find objects (or their companions) that I've read about. It enhances my sense of connectedness. I've often pointed out to others... That's the companion of Cygnus X-1.. or that star went nova some years ago... or this star has at least one detected extra solar planet. And now I know that some spiral galaxy orientations are part of a bigger pattern! They may not be visually significant or even interesting... but finding and identifying those, involved in a discovery of some kind, is very satisfying. The descriptions of external galaxies to the stellar foreground are made using the celestial sphere/constellations with no attempt whatsoever to bother to consider the changing foreground stellar rotation to the external galaxies. The opposite in fact,theorists and astrophotographers ignore foreground stellar rotation,including our own solar system , off the Mily Way axis and consider only the myopic celestial sphere now know as the expanding balloon universe where every point is the valid center of the universe. Considering the enormous difficulties people here have with Copernican heliocentricity and recognising the Earth's orbital motion I would say that the situation is now extremely dire at this level never mind at the galactic or inter-galactic level. |
#8
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
I like to find objects (or their companions) that I've read about. It enhances my sense of connectedness. I've often pointed out to others... That's the companion of Cygnus X-1.. or that star went nova some years ago... or this star has at least one detected extra solar planet. And now I know that some spiral galaxy orientations are part of a bigger pattern! They may not be visually significant or even interesting... but finding and identifying those, involved in a discovery of some kind, is very satisfying. Here here!!!...Amen! The descriptions of external galaxies to the stellar foreground are made using the celestial sphere/constellations with no attempt whatsoever to bother to consider the changing foreground stellar rotation to the external galaxies. The opposite in fact,theorists and astrophotographers ignore foreground stellar rotation,including our own solar system , off the Mily Way axis and consider only the myopic celestial sphere now know as the expanding balloon universe where every point is the valid center of the universe. Listen you goof ball, one rotation of the MW galaxy happens in about 60 million years. If you can detect year to year changes in the foreground stars against the galaxies, BE OUR GUEST!! |
#9
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
"oriel36" wrote in message ups.com... Do you not like Albert's reasons for 'curving the universe' in 1920,before galactic structures were discovered. His curvature was confirmed by experiment and eclipse in 1918. and has been confirmed ever since. I really enjoy Albert's rejection of galactic structures and especially as he uses Newton as a basis for that rejection. - "This view is not in harmony with the theory of Newton. The latter theory rather requires that the universe should have a kind of centre in which the density of the stars is a maximum, and that as we proceed outwards from this centre the group-density of the stars should diminish, until finally, at great distances, it is succeeded by an infinite region of emptiness. The stellar universe ought to be a finite island in the infinite ocean of space." http://www.bartleby.com/173/30.html This is all speculation on the part of Einstein. Nothing more...ong before dark matter and dark energy were determined to be present. I told you that the early 20th century relativistic ideas are genuinely funny for a real astronomer as a really exotic expansion of the original Newtonian errors and especially when you understand what Isaac was really doing. Explain what "he was really doing" since you are so knowledgeable of this. Btw,Newton never pondered a center,universal or otherwise so whatever Albert imagined in that passage above,it has nothing whatsoever to do with Newton - Look, Einstein had a total understanding that Newton's Theory of Gravity required instantaneous effect at large distances. Which is obviously impossible. His theory of warped space-time preserves Newtons Law and makes way for large distances. If the sun were to disappear, we wouldn't know it for about 8 minutes. The earth would stay exactly in it's orbit for 8 minutes even though the sun was no more. Also, it Enstein who exactly described the orbit of Mercury and it's problem of precession. Newton's theory never did account for mercury completely. I knpw that you don't know these things. You speak more some kid than any adult I have known!! BTW. If you are a kid then at least you have an excuse as to why you come off as so OUT TO LUNCH and uninformed. |
#10
|
|||
|
|||
cosmological large-scale structure on the orientation of galaxies
oriel36 wrote:
The descriptions of external galaxies to the stellar foreground are made using the celestial sphere/constellations with no attempt whatsoever to bother to consider the changing foreground stellar rotation to the external galaxies. This sentence make no sense to me--can you clarify for me Jerald? |
|
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Spacecraft Doppler&Light Speed Extrapolation | ralph sansbury | Astronomy Misc | 91 | August 1st 13 01:32 PM |
Ubiquitous galaxies discovered in the Early Universe (Forwarded) | Andrew Yee | News | 0 | March 8th 06 02:59 PM |
Young Galaxies Grow Up Together in a Nest of Dark Matter (Forwarded) | Andrew Yee | News | 0 | December 23rd 05 04:02 PM |
two classes of readily noticeable common, ubiquitous, uniform bright blue sources in deep background (Murray mesh) of HUDF, dwarf galaxy luminous bare clumps, hyper novae?: 2005.04.01 BG and DM Elmegreen: Malcolm Fairbairn: Murray 2005.11.11 | Rich Murray | Amateur Astronomy | 2 | November 12th 05 05:33 AM |
two classes of readily noticeable common, ubiquitous, uniform bright blue sources in deep background (Murray mesh) of HUDF, dwarf galaxy luminous bare clumps, hyper novae?: 2005.04.01 BG and DM Elmegreen: Malcolm Fairbairn: Murray 2005.11.11 | Rich Murray | Misc | 2 | November 12th 05 05:33 AM |