Nuclear Physics

Particles

A diagram showing all kinds of things made of particles: atoms, electrons, trees, starsA particle is the name given to a very small object which has features like size and mass. All the matter in the Universe is made of particles. 


Nuclear Physics

Model of the atom with the nucleus containing neutrons and
protons, surrounded by electrons.
Credit: Indolences

Nuclear physics is the branch of science which looks inside atoms. It looks at the nucleus, and what effect different interactions have on it.