Atomic energy is another term for nuclear energy...the energy released due to nuclear fusion or fission,basically used for the generation on power or electricity in a nuclear collider is known as nuclear or atomic energy.this energy actually comes from the emission of electromagnetic waves like α,β,γ and so on.this type of collisions provide huge quantity of energy and can be thought of as an alternative energy source,but the only drawback is it can cause radioactive pollution.nuclear fission and fusion are a major source of energy in providing the luminosity and energy to the sun.
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