Galaxies sizes


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I never even thought about galaxy sizes before, it never crossed my mind they actually varied in size... Makes sense I suppose considering how it seems like every where you look in the universe, everything seems completely unique from each other.

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that last one is huge...it seems so bright, there may well be no night on any world there....kinda like our own galaxy's core.

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here what i dont understand .. they say universe is uniform in any direction you look, then you have such large variation in shapes and sizes of everything from starts to galaxies :unsure:

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who says the universe is uniform every way you look? no, i think they mean the overall shape of the universe, which is currently not really known and still a theory.

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who says the universe is uniform every way you look? no, i think they mean the overall shape of the universe, which is currently not really known and still a theory.

The observable matter is spread homogeneously (uniformly) throughout the universe, when averaged over distances longer than 300 million light-years. ...

http://en.wikipedia.org/wiki/Universe

observation not theory..

Its light has taken 349.5 million years to travel to Earth. IC 1011's calculated age is approximately 12.95 billion years

http://en.wikipedia.org/wiki/IC_1011

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i guess think of the cosmos as either a sphere or a sheet of glass or a tube, so no matter where you stand, it's the same shape. but the stuff that's put on that sheet of glass or tube, or in that sphere, can be of all different manner of shapes and sizes due to the somewhat random makeup of natural forces and processes.

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An interesting current speculation is a membranous shell with "reality" consisting of holographic data points projected as 3D into its interior. This solves a lot of problems in physics. Some think that this shell is a dodecahedron.

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An interesting current speculation is a membranous shell with "reality" consisting of holographic data points projected as 3D into its interior. This solves a lot of problems in physics. Some think that this shell is a dodecahedron.

:blink: :unsure: interesting !!! got a link that explains this ?

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It started with a 2003 article in Scientific American about how holographic data principles could explain a few problems -

Teaser: http://www.scientificamerican.com/article.cfm?id=information-in-the-hologr-2003-08

Archived: http://sufizmveinsan.com/fizik/holographic.html

and the idea of a dodecahedron universe -

http://physicsworld.com/cws/article/news/18368

Then this happened in 2009 at a gravitational wave detector -

http://www.sciencedaily.com/releases/2009/02/090203130708.htm

And then this -

http://www.sciencedaily.com/releases/2009/02/090203081609.htm

That lead to this experiment starting construction in 2010 -

http://www.wired.com/wiredscience/2010/10/holometer-universe-resolution/

and now theories are flying out of the labs, some blending holographic with dodecahedron and the idea of 3D space being a projection.

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It started with a 2003 article in Scientific American about how holographic data principles could explain a few problems -

Teaser: http://www.scientificamerican.com/article.cfm?id=information-in-the-hologr-2003-08

Archived: http://sufizmveinsan.com/fizik/holographic.html

and the idea of a dodecahedron universe -

http://physicsworld.com/cws/article/news/18368

Then this happened in 2009 at a gravitational wave detector -

http://www.sciencedaily.com/releases/2009/02/090203130708.htm

And then this -

http://www.sciencedaily.com/releases/2009/02/090203081609.htm

That lead to this experiment starting construction in 2010 -

http://www.wired.com/wiredscience/2010/10/holometer-universe-resolution/

and now theories are flying out of the labs, some blending holographic with dodecahedron and the idea of 3D space being a projection.

Thanks Doc !! :) that should keep me busy for a few days :)

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Growled, you're not insignificant. we are all part of this universe and it is our home. you are never insignificant at home.

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