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originally posted by: webstra
originally posted by: Phage
a reply to: webstra
If that is the case, then we have to be exactly in the centre of this big bang ?
No. It means that's as far as we can see. In every direction. A sphere which is 13.7 billion light years in radius.
We can't see the "edge" because for us, the distance between it an us is increasing at faster than the speed of light.
Think of it a bit like this: You are submerged in a large swimming pool which is a bit murky. Your range of visibility is about 20 feet. So all you can see is a sphere with a radius of 20 feet, no matter where in the swimming pool you actually are.
www.universeadventure.org...
So the 13.7 billion light years is nothing more than what we can see and has nothing to do with the age of the universe. Like sight in a murky swimmingpool has nothing to do with the age of the water in it.
originally posted by: John333
a reply to: Peeple
well ok.. proof of dark mater is not the same as dark matter. let me reword that presentation so that it is more clear.
the found proof of something out there that they are certain is part of the foundation of the universe. and contributes to the reason we perceive space as the colour Black, or Deep purple ultraviolet. but they havent found the "IT" itself.
im not saying it doesnt exist. what im saying.. is its NOT a Particle! not like an atom. its more like a fluid. and it does underly and permeate everything. everywhere we see nothing that fluid is there. but it permeates all physical matter as well. this is why i prefer to call it Dark Energy.. and not Dark Matter.
but perhaps i can be more accurate than all right now by calling it.. Dark Water!
yeah.. I think that one's gonna stick! Dark Water it is.
"We've closed this loophole about gravity, and we've come closer than ever to seeing this invisible matter," Clowe said.
Scientists have not yet observed dark matter directly. It doesn't interact with baryonic matter and it's completely invisible to light and other forms of electromagnetic radiation, making dark matter impossible to detect with current instruments. But scientists are confident it exists because of the gravitational effects it appears to have on galaxies and galaxy clusters.
originally posted by: Peeple
a reply to: John333
Meaning you detected and interacted with the quintessence?
originally posted by: Phage
a reply to: webstra
True. If that distance (the Hubble distance) was what was used to determine the age of the Universe.
It isn't.
Since time doesn't pass at a uniform rate across a gravitational gradient, light isn't either. So the thing you're using to measure those distances may as well be about as fixed and steady as a block of jello.
originally posted by: Revolution9
a reply to: Phatdamage
These are good questions.
Personally I do not think the universe is any age that we can count. If the big bang happened and sent out information from which the matter of the universe originated then it must have travelled many times faster than the speed of light (how so?). Why, too, only in certain directions? Any explosion will send out particles in every direction unless an opposing force slows it down to any degree.
I don't think there was a big bang. I think the universe goes as far up and down as it does across, infinite in all directions. I think matter and the universe as infinite as each other (though matter could have a source of origin, but even that would be counted as some kind of information from somewhere). The universe does not conform to human notions of beginnings and endings. Time, too, is as equally insignificant; no beginning and no end only an eternity of time and space. The information that swirls throughout I guess must have originated somewhere. How it appears to us and whatever originated it is as different as the results of a computer program and the code that formed it...perhaps, as multi dimensional in relationship, too!