Cosmology

The universe contains two types of hydrogen. Either a positive nucleus is surrounded by a negative particle or a negative nucleus is surrounded by a positive particle. The proton is created in pair with its antiparticle. We know ordinary hydrogen; where is anti-hydrogen?
 

Atomic matter

In order for it to be completely clear which type of matter we talk about, we need to introduce a definition of the matter in question. Here then, matter is meant on the atomic plane; protons and neutrons, which are surrounded by the lighter electrons. We also disregard the neutrons in our consideration so that only the element hydrogen in its simplest form remains:
 

AM1 = Atomic Matter Type 1: Positive Nuclear Particles (Protons) surrounded by negative satellite particles (electrons). AM2 = Atomic Matter Type 2: Negative Nuclear Particles (Antiprotons) surrounded by positive satellite particles (positrons).

A stable environment

In order for matter to accumulate and form larger objects such as planets, suns and galaxies, the current contracting gas cloud must consist of the same type of atomic matter. If AM1 and AM2 were to meet in the same area, they annihilate each other. The residual product, in the meeting between matter and antimatter, immediately forms new matter, but the atomic structure is not regenerated, but the matter remains in its plasma state (free protons and free electrons). Plasma clouds are always precursors when atomic matter is formed.

The atomic matter must thus first divide into two separate areas where each area consists only of a specific type of atomic matter. We have already been able to conclude that our solar system consists of one and the same type of atomic matter. Purely by definition, we consider the proton to have a positive charge and electrons to have a negative charge. Observations alone cannot determine what type of matter, for example, a sun is made of. Even gravity reacts in the same way towards both types of matter.
 

Cosmic melting pot

Now if there are specific regions where plasma divides into atomic gas clouds, shouldn't we be able to visually locate these regions? The answer is: We can and we do, however, we are so used to the structures that we do not immediately interpret them correctly. The division into AM1 and AM2 does not take place at the solar level but at the galaxy level. So we have to go back to Edwin Hubble's classification of the shape of galaxies.

The structures that are particularly interesting in this context are the bar spiral galaxies and to some extent the galaxies called "Theta". What is called for is a structure with a central hearth surrounded by two outer densifications. It is also crucial whether the central plasma core initially has a rotation or not. The most common seems to be that the core contracts during rotation, the second option is one of the exceptions.
 

Galactic division
 

Let's begin by studying a rotating plasma core that has just created atomic matter in two regions on either side of the core. In Hubble's classification, this galaxy structure is called SBa type galaxies. The central core is still pronounced and from both matter regions each spiral arm emanates where stars are formed by condensation of gas.

In the further development, the core part shrinks and the structure is now called SBb (see the galaxy at the top of the page). The central plasma core will eventually disappear completely.
 

Assuming its original rotation was strong enough, now even the two regions of different atomic matter will part from each other. They have now evolved into two independent spiral galaxies. They are sibling galaxies but the matter of one is diametrically opposed to the matter of the other. As a rule, both remain within the common galaxy cluster.

 
 
Non-rotating system's
 

When the central plasma core lacks rotation, a different structure occurs. There is a galactic nucleus as before, but the atomic matter that forms settles into two spherical regions opposite each other. The result is an SB0 type galaxy. Here, it is only the outward force in the core's particle reactions that counteracts the contracting force.

The central plasma core continues to shrink while the regions of matter on either side grow in size. This form is usually called a Theta-type galaxy, after the Greek letter. Decisive for whether the two areas of matter manage to separate from each other is the mass of the plasma core, a larger mass creates the necessary gas pressure before the division.

It is uncertain how the final galaxies will take shape after a breakup in a non-rotating system. However, it is probably not about elliptical galaxies. These are most likely the end stages of older spiral galaxies when rotation has stopped and the spiral arms are no longer visible. As for non-rotating plasma cores, one can instead assume that they form irregular galaxies (galaxies without a specific shape).
 

Galactic interference

It is by no means the case that galaxies of different atomic matter explode if they collide. Galaxies consist mostly of voids and it is still the gravitational forces that govern these processes. The solar wind, which mostly consists of protons, also creates a repulsion force around the stars in a galaxy that counteracts collisions with other celestial bodies. However, it cannot be ruled out that galaxies "adopt" parts of other galaxies, even those with the opposite matter type. However, a new galaxy always consists of the same matter; AM1 or AM2.
     
 

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