That is the point, you can’t even check it. You can’t check if Dark Matter is caused by an paralel dimension or not. Ous science is still very basic, we know the phenomens, we even can calculate and use it (eg.gravity lenses), but we don’t know what it is, we don’t even really know what is light.
![References: [1] out of his ass](https://mander.xyz/pictrs/image/7d954d56-4739-4230-b641-f7a2ed05fa5c.jpeg){kind=link}
That is the point, you can’t even check it. You can’t check if Dark Matter is caused by an paralel dimension or not. Ous science is still very basic, we know the phenomens, we even can calculate and use it (eg.gravity lenses), but we don’t know what it is, we don’t even really know what is light.