Dark Matter

ΛCDM, MoND and the Second Big Bang.

Let’s add some dark matter. Credit: Getty Images

If you think of the universe as a cup of coffee, as far as we know, coffee will remind us of dark energy, which is almost 70% of the universe, and the milk we add will remind us of dark matter. The sugar we put in it will remind us of the matter we see, which is 5% of the universe.

For those who don’t know the subject, we say “dark matter and dark energy” because we have no idea about them and cannot see them. Naturally, you might say, how can you compare it to milk? But that’s a pointless question, as it doesn’t mean that dark matter will be dark.

First of all, all we know about dark matter is that it has a very strong gravitational effects and does not interact with the objects we see in the universe except by gravity. If you ask why we say this, there are two reasons:

The first reason is the mass inconsistency in galaxy clusters. Galaxy clusters are formed by the coexistence of galaxies in groups. Just as the planets in our solar system …