Nuclear fusion is the energy source of stars, including our sun. It occurs when two atomic nuclei, such as hydrogen isotopes, combine to form a new nucleus, which releases energy. Scientists are working to replicate fusion on Earth as a means to generate electricity for the power. . The U. It. . Sun's core: Nuclear fusion fuels endless energy generation, powering the solar system with a balanced, long-lasting sun power source. The processes by which stars, such as the Sun, produce energy is well-known to be based on nuclear fusion, and there has. . Nuclear fusion energy has been labeled the “holy grail” of clean energy: it will be carbon-free, much safer than conventional nuclear fission, and provide a stable source of electricity, unlike intermittent renewables. Governments around the world are racing to build the world's first fusion energy. . Theoretical calculations and experimental data combine to reduce uncertainty in a key reaction rate in modelling high-energy solar neutrinos. A pictorial rendition of the proton-proton fusion chain in the Sun.
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