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Beautiful images of the large (really large) scale structure of the Universe

 
Anonymous Coward
User ID: 23103215
Finland
09/10/2012 07:06 AM
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Beautiful images of the large (really large) scale structure of the Universe
Here is a link to a scientific publication detailing the large scale structure of the entire Universe.

[link to www.mpa-garching.mpg.de]

It's wonderful. It looks like synapses in a brain!

The main result is that the Universe is not homogeneous. There are regions with high density (galactic clusters) and regions with very low density of both matter and dark matter.

These regions are also connected by high density filaments that may indicate the presence of cosmic strings, thus providing first semi-experimental support for the string theory. It's semi-empirical, since this is a simulation based on experimental data and simulations should never be taken for actual representation of reality.

So far the main problem with the string theory has been our inability to experimentally (in)validate its predictions - a fatal flaw in any physical theory. All natural sciences feature of several competing theories that are neither right or wrong until they're put to the test against experiments. Before such a test is conducted, they are only hypotheses that are merely what-if scenarios with no scientific validity.
Venetian

User ID: 23515957
Ireland
09/10/2012 07:19 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
Cool stuff.hf
For what it's worth I'm happy.
Being Mindful

User ID: 21615111
United States
09/10/2012 07:28 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
Thankyou OP for bringing this to the board....hfbump
www.heavenletters.org
Free Planet
User ID: 18236988
United Kingdom
09/10/2012 07:45 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
there's a PROBLEM-ette with this z-sort 'snapshot of a cerebral universe'

1) if red-shift (as of receeding objects) is being used to calculate it, this BRAIN no longer exists as it's been torn to shreds at its perphery already!

however,

2) if red-shift (as of 'tired light') is being used, then local adjustments due to gravity fluctuations/incursions from foreign bodies will still allow the PROGRAM to be retained and the universe to be saved

i.e. THE OLDEST STARS are still mostly where they always were.

:)
Anonymous Coward
User ID: 23516210
Portugal
09/10/2012 07:55 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
Here is a link to a scientific publication detailing the large scale structure of the entire Universe.

[link to www.mpa-garching.mpg.de]

It's wonderful. It looks like synapses in a brain!

The main result is that the Universe is not homogeneous. There are regions with high density (galactic clusters) and regions with very low density of both matter and dark matter.

These regions are also connected by high density filaments that may indicate the presence of cosmic strings, thus providing first semi-experimental support for the string theory. It's semi-empirical, since this is a simulation based on experimental data and simulations should never be taken for actual representation of reality.

So far the main problem with the string theory has been our inability to experimentally (in)validate its predictions - a fatal flaw in any physical theory. All natural sciences feature of several competing theories that are neither right or wrong until they're put to the test against experiments. Before such a test is conducted, they are only hypotheses that are merely what-if scenarios with no scientific validity.
 Quoting: Anonymous Coward 23103215


It is! As above, so below. Compare it to brain cells!
Tekunda
User ID: 23515184
Germany
09/10/2012 08:16 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
There are regions with high density (galactic clusters) and regions with very low density of both matter and dark matter.


 Quoting: Anonymous Coward 23103215


How can these BS scientists act like Dark Matter is a proven fact?

It is only a theory that dark matter exists, it has never been proven and many scientists dispute the existence of so called "dark matter".

The same goes for the red shift!
Anonymous Coward
User ID: 23517975
Netherlands
09/10/2012 08:26 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
And thats my last optioneel , lekker puh and you all not.
Anonymous Coward
User ID: 23518634
United States
09/10/2012 08:50 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
neat but its only a model, this is not an image of anything that really *exists* as far as we can tell. Neat though.
Anonymous Coward (OP)
User ID: 23103215
Finland
09/10/2012 09:00 AM
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Re: Beautiful images of the large (really large) scale structure of the Universe
neat but its only a model, this is not an image of anything that really *exists* as far as we can tell. Neat though.
 Quoting: Anonymous Coward 23518634


Exactly. As an experimental physicist, I fully agree, and that's why I wrote a bit of commentary including:

"simulation based on experimental data and simulations should never be taken for actual representation of reality."

Simulations are, however, useful when you're trying to wrap your mind around the problem and explore what-if scenarios.

Regarding dark matter, it is a disputed topic and won't be resolved in a while. I recently attended a seminar given by one of the guys from CERN/LHC collider. Most of his talk concerned the Higgs-boson, but he also talked a lot about astro particle physics (i.e. particle physics by using the extremely high energetic radiation in space instead of using colliders) and dark matter.

If and when the exact nature of the Higgs boson is pinpointed (so far its existence been confirmed but not to the extent that we would know its properties), it will require modifications to Standard Model. This, in turn, will let new exotic particles to the playing field and amongst these there are several new candidates for the components of presumed dark matter.

It all boils down to experiments, though. We need to detect dark matter in one way or another. Simulations and theory just won't cut it, no matter how sophisticated they are.





GLP