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A strong gravitational field bends spacetime. Since lights follows the fabric of spacetime, then any deviation of spacetime will result in a proportional bend in the trajectory of light.
originally posted by: AthlonSavage
a reply to: swanne
Your speaking as if this is fact. The fact is this is a unproven theory. Its a theory, period.
I can't seem to get my head around time moving in the opposite direction in this mirror universe though. What would this mirror universe look like if a model were created to show it? Is there one?
I was under the impression that we're not very sure what was going on before the Big Bang, so how could we have a universe with time moving in the opposite direction from the point of the Big Bang?
originally posted by: pauljs75
But since gravitation and some energy effects are creating forces that are essentially based upon squared properties, could it be that "negative matter" is part of imaginary space.
The original paper only claims negative mass to be possible during the inflation phase of the universe, assuming a de Sitter space:
Any way it might be theoretically possible to bridge or wormhole between the opposite sides with this super fluid?
originally posted by: ChaoticOrder
a reply to: iFloButta
I don't think you're fully understanding how the model works. The basic idea is that positive matter clumps together and forms galaxies with structure whereas the negative energy remains in a fluid/plasma state and doesn't form any large structures. Since the negative matter/fluid is gravitationally repelled from the positive matter you end up with cavities in the negative matter/fluid where the positive galaxies are located. This creates the inverse gravitational lensing effect we normally attribute to dark matter and can also explain the expansion of space which we normally attribute to dark energy (the negative energy filling the space between all galaxies causes space to expand between the galaxies).
The 1995 Twin Universes Cosmology paper I linked to contains a section which gives quite a good description of what large scale structure in the Twin Universe Model should look like. They provide the following image and description:
The matter of the twin fold forms big stable clumps, which repel the matter of our fold of the universe, this last taking place in the remnant space. By opposition to the pancake model numerical simulations, this pattern is fairly non-linear. After its formation, corresponding to the Jeans time of the high density system (2.10 9 years) , there is no significant evolution of the general pattern over a time comparable to the age of the Universe so that this model could be a good candidate to explain the observed spongy aspect of our fold of the Universe, at large scale.
It's not exactly clear to me how the author produced the cellular structure given that they thought negative mass would attract negative mass (it's not explained well in the paper) but that is the same structure I predicted in my earlier theory. Also, here is a picture I made with my simulation program some time ago, I added some text which helps to further illustrate the idea:
One of the topics I didn't get into is the exact nature of the Big Bang, all I said was that it must have created an equal amount of positive and negative energy. But there are many good reasons I think it didn't begin as a singularity. I believe the large scale isotropic and homogeneous structure of the universe is possible in a bimetric model where an infinite amount of positive and negative energy is released throughout an infinite flat space-time. But that is the topic of another thread which I will probably make soon.
One of the topics I didn't get into is the exact nature of the Big Bang, all I said was that it must have created an equal amount of positive and negative energy. But there are many good reasons I think it didn't begin as a singularity.
originally posted by: moebius
a reply to: ChaoticOrder
You are missing the point. You can not have negative mass in a Minkowski space-time time according to known physics (and the paper referenced).