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What if Creationists were Athiest for a day?
#51
RE: What if Creationists were Athiest for a day?
(August 28, 2016 at 5:03 pm)Jörmungandr Wrote: Like I said: impressionistic bullshit.
Take it up with the astrophysicists.

https://arxiv.org/abs/1408.2219

Cosmological Origami: Properties of Cosmic-Web Components when a Non-Stretchy Dark-Matter Sheet Folds

Mark C. Neyrinck (JHU)
(Submitted on 10 Aug 2014 (v1), last revised 16 Jun 2015 (this version, v5))
In the current cosmological paradigm, an initially flat three-dimensional manifold that pervades space (the `dark-matter sheet') folds up to build concentrations of mass (galaxies), and a cosmic web between them. Galaxies are nodes, connected by a network of filaments and walls. The folding is in six-dimensional (3D position, plus 3D velocity) phase space. The positions of creases, or caustics, mark the edges of structures.

Here, I introduce an origami approximation to cosmological structure formation, in which the dark-matter sheet is not allowed to stretch. But it still produces an idealized cosmic web, with nodes, filaments, walls and voids. In 2D, nodes form in `polygonal collapse' (a twist-fold in origami), necessarily generating filaments simultaneously. In 3D, nodes form in `polyhedral collapse,' simultaneously generating filaments and walls. The masses, spatial arrangement, and angular momenta of nodes and filaments are related in the model. I describe some `tetrahedral collapse', or tetrahedral twist-fold, models.





Any relationship to the way I've been describing the same thing is purely coincidental. Popcorn
"Leave it to me to find a way to be,
Consider me a satellite forever orbiting,
I knew the rules but the rules did not know me, guaranteed." - Eddie Vedder
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Messages In This Thread
What if Creationists were Athiest for a day? - by ScienceAf - August 26, 2016 at 11:08 pm
RE: What if Creationists were Athiest for a day? - by Chad32 - August 26, 2016 at 11:26 pm
RE: What if Creationists were Athiest for a day? - by deleteduser12345 - August 27, 2016 at 7:23 am
RE: What if Creationists were Athiest for a day? - by deleteduser12345 - August 27, 2016 at 7:29 am
RE: What if Creationists were Athiest for a day? - by deleteduser12345 - August 27, 2016 at 7:49 am
RE: What if Creationists were Athiest for a day? - by Arkilogue - August 28, 2016 at 5:38 pm

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