nuclear fusion - the fusion of two light nuclei into a heavier one, resulting in release of very high amounts of energy. Such reactions take place on the Sun and other stars when, due to the tremendous pressure and extremely high temperatures, hydrogen atoms fuse together to form helium.

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This material is based upon work supported by the National Science Foundation under Grant Number 9653194. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.