AFAIK in order for the laws of gravity to properly work in the universe, there needs to be dark matter. Scientists think that it actually makes up for 84% of the space in the universe.
A problem with it is that it can't be seen/detected yet.
A problem with it is that it can't be seen/detected yet.
Yep, but dark matter forms part of the universe. What's outside it?
Scientists are too much into guessing. A few years later, some new theory will prevail (after they find something wrong with the current ones), and they will be claiming there was no dark matter in the first place...
