annihilation

Lamb shift

antimatter

M-theory

antiparticle

nuclear force

antiproton

nucleosynthesis

cold dark matter

observable universe

cosmic light horizon

pair production

dark ages

Population III star

density fluctuation

positron

deuterium bottleneck

quantum electrodynamics

electroweak force

quantum mechanics

elementary particle physics

quark

false vacuum

quark confinement

flatness problem

reionization

gluon

spontaneous symmetry breaking

grand unified theory (GUT)

Standard Model

graviton

string theory

Heisenberg uncertainty principle

strong force

hot dark matter

supergrand unified theory

inflation

theory of everything (TOE)

inflationary epoch

thermal equilibrium

intermediate vector boson

threshold temperature

isotropy problem (horizon problem)

virtual pairs

Jeans length

weak force