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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: John Doty
Date: Feb 13, 2007 12:38

..., and that they show less dark matter than dense spiral ones. ... structure. That's the current theory, not Occam ;-). No it's not...a simple theory, but it's not the only possible simple theory.... been found long ago. Maybe not. There are numerous examples in ... conventional thinking. Your writing's not bad as writing. Its weaknesses ... much as you ;-). I'm not a theorist. I'm an ...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: Bernd Paysan
Date: Feb 12, 2007 04:50

...that stellar trajectories in ellipticals are not random: there's more energy in...theory shows a significant lack of dark matter in elliptical galaxies, but no...didn't simulate colissions for long enough; the radial motion blurres over time...have been found long ago. Maybe not. There are numerous examples in ...from conventional thinking. Your writing's not bad as writing. Its weaknesses ...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: Bernd Paysan
Date: Feb 2, 2007 03:11

... rapidly with R, extremely distant matter dominates. Galaxy dynamics have a ... lot of mass in the dark clouds where new stars form,... galaxy does represent density differences, not just "waves of new stars ... there's only one. And enough physicists think it's a ...rotates counter the orbit. With dark matter particles, we're still...the Schwarzschild coordinate system is *not* what you'd measure with...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: John Doty
Date: Feb 1, 2007 04:19

...increases rapidly with R, extremely distant matter dominates. Galaxy dynamics have a negligible...a single global density parameter representing dark matter. One number. It doesn't...but it must be small enough to not affect the bullet-cluster ...is Einstein's "cosmological constant" or "dark energy" in trendier terms. CDM ... cluster of galaxies the baryonic matter gets involved in the dynamics ...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: John Doty
Date: Jan 29, 2007 18:00

...stars define space. Stars however, are not fixed, they rotate around galaxy centers...some initial work on that (though not quantifying it). But Einstein's theory...the same way we did Thinking Forth (http://www.jwdt.com/~paysan/mach... single global density parameter representing dark matter. One number. It doesn'... mesh, but that's output, not input. Once other independent ways ...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: Bernd Paysan
Date: Jan 28, 2007 10:26

.... But some physicists dislike dark matter enough to prefer them. And if ...the same way we did Thinking Forth (http://www.jwdt.com/~paysan/mach...theory also accommodates isn't good enough. Experimentalists need a difference to chew...matter doesn't collide like baryonic matter ;-). Not at all. We have a... evidence. Your "discrepancy" is philosophical, not physical. Ptolemy just needed to ...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: John Doty
Date: Jan 27, 2007 21:27

.... But some physicists dislike dark matter enough to prefer them. And ... extremely simple properties (unlike baryonic matter). It looks like some sort ... of fields to make the project a success; leaving specialism to ... of an asteroid or comet. Not enough for observable gravitational effects, ... evidence. Your "discrepancy" is philosophical, not physical. The Ptolemaic system included,...
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OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: Bernd Paysan
Date: Jan 24, 2007 05:50

...define space. Stars however, are not fixed, they rotate around galaxy... initial work on that (though not quantifying it). Furthermore it's...enough expert in a number of fields to make the project...a factor of 10. "Dark matter" is not a theory, it...to support me, something which matters quite a lot today. There...an experimentalist: the universe does not respond to lobbying, but it...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: John Doty
Date: Feb 15, 2007 20:22

...should work in "almost Euclidean space", and I'm even myself not sure if I didn't drop something which is important. The ... actually requires that you calculate this wavefront and the curvature, not just distance+acceleration. Ok, so it's like physical optics. ... help to speed up the calculation. An easy formula does not mean something easy to compute. Yep. Still, one can hope...
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Re: OT: dark matter (was Re: Not enough Forth projects?)     

Group: comp.lang.forth · Group Profile · Search for OT dark matter was Re Not enough Forth projects in comp.lang.forth
Author: Bernd Paysan
Date: Feb 14, 2007 06:41

... that have more fine-grained matter distribution results within galaxies than ... "there is no finer grained matter distribution", just show me where ... (just for a moment) that matter density is higher in the ... and I'm even myself not sure if I didn't ... this wavefront and the curvature, not just distance+acceleration. It's ... calculation. An easy formula does not mean something easy to compute....
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