if void represents 99,9% so all of stars and galaxy are 0.1% of our universe?
matter - physical substance that consist of mass
Atom - Atoms are the basic units of matter ( "protons, neutrons, and electrons. The protons and the neutrons make up the center of the atom called the nucleus and the electrons fly around above the nucleus in a small cloud. ")
https://sciencing.com/particles-smaller-atom-8484470.html
Reality:
physical realm (matter)
atom
proton
neutrons
electrons
Quarks
just found this link
https://phys.org/news/2017-07-breakthrough-discoveryevery-quantum-particle.html