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Definition: energy from nuclear fission or fusion: the energy released by nuclear fission or fusion
Nuclear energy
The energy released by either nuclear fission or nuclear fusion.
What is the question
the energy released during nuclear fission or fusion, esp. when used to gnerate electricity.
When there is nuclear fusion (when atoms push together and make energy) and nuclear fission (when atoms split apart to make energy).
By heat released from continuous nuclear fission and fusion process.
Energy from nuclear fusion is around 400 times more than that of nuclear fission for same mass.
Nuclear fission is the process of splitting a nucleus with a large mass into two nuclei with smaller masses. The energy released can then be used to produce electricity. Nuclear fusion is the process of merging nuclei with smaller masses into a nucleus with a larger mass. The energy released by this reaction may someday be used to produce electricity. In other words, Nuclear Fusion is the exact opposite of Nuclear fission. While Nuclear Fission is splitting a nucleus into two nuclei, nuclear fusion is merging two nuclei into a nucleus.
Nuclear fusion doesn't produce energy.
The process generating solar energy is one of nuclear fusion.
Energy is released in nuclear fission and fusion, this is a fact of the physics of the nucleus. This energy can be captured and harnessed as thermal energy (heat)