I think it has something to do with electron capture.
Strong force keeps particles in a nucleus together.
The force that holds particles of matter together is called the electromagnetic force. This fundamental force is responsible for the attraction between charged particles, such as electrons and protons, which keeps atoms stable. Additionally, the strong nuclear force acts to hold protons and neutrons together in the nucleus of an atom. Together, these forces are essential for the structure and stability of matter.
Inertia
Particles of matter are typically attracted to one another through electromagnetic forces. These forces can be attractive or repulsive, depending on the charges of the particles involved. This attraction is what keeps atoms bound together to form molecules and gives rise to various physical properties of matter.
Cohesion.
The state of matter that keeps its shape and volume when placed in a different container is a solid. Solids have a definite shape and volume because their particles are closely packed together and have strong forces of attraction between them.
Gravity does this in our atmosphere.
The state of matter that keeps its shape and volume in a container is a solid. Solids have a definite shape and volume because their particles are tightly packed and have little room to move around.
It is called "inertia", but we still don't really know what it is.
Solids do not flow. The particles in a solid cannot change places so a solid will keep its shape (unless it is broken).
That's the residual strong force.
Dark matter is all around us, inside and out, is what holds the forces of gravity together, keeps it from flying apart.