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Unit 7: Astrophysics Page 15
Pions are the carrier force for 4. The electromagnetic force uses
the residual strong force. a photon as ‘carrier force’ – the
3. Tiny particles called gluons stick thing that binds the electron to
the quarks together inside a the nucleus of the atom.
proton (and neutron). A gluon 5. Most particles have anti-matter
cannot exist outside of a proton, counterparts. The positron is
and is the carrier force for the the anti-matter companion to
strong force. The strong force is the electron.
the strongest force on its own 6. There are hundreds and
scale – it greatly weakens at hundreds of particles in physics
distances larger than the – we’re only going to cover a
nucleus of the atom. few basics. Just enough to make
your head spin.
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