It could explain where dark matter comes from.
If an anti-universe exists, it would run backward in time, before the Big Bang.Scientists believe there could be an “anti-universe” somewhere out there that looks like the mirror image of our own universe, reciprocating almost everything we do. If this theory holds true, it could explain the presence of dark matter.
There are also disagreements about what may have happened prior to the bang itself. Could it be that what we call the Big Bang was the inflection point of an even biggertouch the ground beneath—then imagine only seeing the subsequent bounce upward; it’s meaningless without the first, downward half of the bounce!
How is dark matter hidden in plain sight, and what are its qualities? These are huge mysteries upon which a ton of other ideas must rest. For the time being, one way to describe dark matter is very literal: by “dark,” we mean that it is not luminous, which is the technical term for matter that doesn’t reflect or emit any photons in a way we can identify. But we can measure the physical effects of dark matter in things like gravitational waves.
“Among other things, we shall describe in detail a remarkable consequence of this hypothesis, namely a highly economical new explanation for the cosmological dark matter,” the researchers write.
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