nuclear fusion in stars definition

As the hydrogen is used up, the core of the star condenses and heats up even more. Nuclear fusion. Nucleon. Most of the stars in the universe are main sequence stars. See more. Nuclear fusion is a process that combines nuclei in order to release energy. In cases where the interacting nuclei belong to elements with low atomic numbers (e.g., hydrogen [atomic number 1] or its isotopes deuterium and tritium), substantial amounts of energy are released. Stellar nucleosynthesis is the process by which elements are created within stars by combining the protons and neutrons together from the nuclei of lighter elements. The star eventually will cool down and die. On Earth it is very difficult to start nuclear fusion reactions that release more energy than is needed to start the reaction. Nuclear fusion definition is - a process in which the nuclei of atoms are joined. Nuclear fusion Jump to: navigation, search This article is about the science behind nuclear fusion.For its use in producing energy, see fusion power.. Nuclear Fusion: Nuclear fusion is the process by which nuclear reactions between light elements form heavier ones (up to iron). It is also called "hydrogen burning", which should not be confused with the chemical combustion of hydrogen in an oxidizing atmosphere. a collective name for two particles: the neutron and the proton. Fusion. Fusion inside stars transforms hydrogen into helium, heat, and radiation. All of the atoms in the universe began as hydrogen. In fusion, many nuclei (the centers of atoms ) combine together to make a larger one (which is a different element). Hydrogen is the fuel for the process. Hydrogen fusion (nuclear fusion of four protons to form a helium-4 nucleus) is the dominant process that generates energy in the cores of main-sequence stars. is the process by which two or more atomic nuclei join together, or "fuse", to form a single heavier nucleus. Main sequence stars are stars that are fusing hydrogen atoms to form helium atoms in their cores. Nucleosynthesis definition, the formation of new atomic nuclei by nuclear reactions, thought to occur in the interiors of stars and in the early stages of development of the universe. is the process that powers active stars, the hydrogen bomb and experimental devices examining fusion power for electrical generation. This promotes the fusion of heavier and heavier elements, ultimately forming all the elements up to iron. The star uses a process called nuclear fusion to generate energy. Nuclear fusion is an atomic reaction that fuels stars. 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